Electrical

Scope: CAN/CSA-C22.2 NO. 62841-2-5:16 (R2021)

1.1
This Standard applies to open-type (fused and solid-blade) cutouts with a polymeric insulator structure component. These cutouts are intended for operation on alternating current distribution systems.

1.2

In some cases, specific types of construction are envisaged. This does not preclude the use of other types of construction, provided that the engineering
representatives involved can demonstrate the safety and suitability of these alternatives.

1.3

In this Standard, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; should is
used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the
limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

1.4

The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.

This clause of Part 1 is replaced by the following.

BATTERY-OPERATED APPLIANCES and other d.c. supplied appliances are within the scope of this standard. Dual supply appliances, either mains-supplied or battery-operated, are regarded as BATTERY-OPERATED APPLIANCES when operated in the battery mode.

This International Standard deals with the safety of electric shavers, hair clippers and similar appliances intended for household and similar purposes, their RATED VOLTAGE being not more than 250 V.

NOTE 101 Examples of similar appliances are epilators and those appliances used for manicure, and pedicure.

Appliances not intended for normal household use, but which nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in shops and on farms, are within the scope of this standard.

NOTE 102 Examples of such appliances are ANIMAL CLIPPERS, ANIMAL SHEARERS and appliances for hairdressers.

As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However, in general, it does not take into account

– persons (including children) whose
• physical, sensory or mental capabilities; or
• lack of experience and knowledge prevents them from using the appliance safely without supervision or instruction;
– children playing with the appliance.

NOTE 103 Attention is drawn to the fact that

– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary;
– in many countries additional requirements are specified by national health authorities, national authorities responsible for the protection of labour and similar authorities.

NOTE 104 This standard does not apply to

– appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas);
– massage appliances (IEC 60335-2-32);
– appliances for medical purposes (IEC 60601).

1DV.1 DR Modification to add the following after Note 101 of the part 2:

This Standard also covers:

Epilators; and

Hair Clippers and shavers incorporating a suction feature to collect clippings or shavings during operation.

1DV.2 D2 Modification of Note 104 of the Part 2 by the addition of the following dashed items:

– lather makers (CSA C22.2 No. 64, UL 499);
– barber shop vacuum cleaners for use on persons (CSA C22.2 No. 243, UL 1017, CSA E60335-2-2)
– manicure, pedicure, or personal grooming appliances used for similar purposes (CSA C22.2 NO 36, CSA C22.2 No. 60335-2-23, UL 859). However, hair clipping and shaving appliances supplied with manicure, pedicure, or other similar attachments or accessories are investigated under these requirements and such additional requirements as are applicable to the appliance under consideration.
– lasers and intense light source hair removal devices (CSA C22.2 No. 60601-1, CSA C22.2 No. 60335-2-113, ANSI/AAMI ES60601, UL 60601/UL 60335-2-113).

1.1
These configurations cover attachment plugs, receptacles, and cord connectors, for use in accordance with the National Electrical Code (NEC), NFPA 70 and CSA C22.1, Canadian Electrical Code, Part I (CE Code).

1.2
These configurations do not cover devices rated at more than 800 A or for more than 600 V.

1.1
The requirements of this Standard apply to manually operated, general-use snap switches and modular switch assembly for connection to copper (Cu) or copper-clad conductors used in accordance with the National Electrical Code (NEC), ANSI/NFPA 70, or the Canadian Electrical Code (CE Code), Part I, and intended to be permanently connected in accordance with the NEC and the CE Code, Part I. In Canada, requirements for switches for connection to aluminum (Al) conductors used in accordance with the CE Code, Part I, and intended for connection to wiring systems recognized by the CE Code, Part I, are covered in Annex B.

1.2
This Standard applies to ac/dc rated switches for which the load ratings do not exceed 60 A at 250 V or less, 30 A at 251 V – 600 V, and 2 hp at 125 V – 600 V or less. This Standard also covers ac-only rated switches for which the load ratings do not exceed 30 A at 347 VAC or less.

1.3
This Standard applies to switches constructed to be installed readily in a flush device box or on an outlet-box cover and intended for connection to branch-circuit wiring.

1.4
This Standard applies to pendant and through-cord switches intended for field installation on flexible cord and provided with one ″on″ and one ″off″ position.

1.5
This Standard applies to switches intended for surface mounting and provided with a separable base and cover for connection to exposed wiring consisting of nonmetallic sheathed cable or open wiring on insulators (knob and tube).

1.6
This Standard applies to self-contained switches intended for flush mounting without a separate outlet box and for connection to branch-circuit wiring consisting of one or more non-metallic sheathed cables containing copper conductors.

1.7
This Standard applies to ac/dc fixture switches intended to be installed in fixtures to control incandescent lighting or fans for connection to branch-circuit wiring.

1.8
This Standard also applies to single-pole, momentary-contact door switches constructed to be installed readily in a special-purpose device box or on an outlet-box cover for connection to branch-circuit wiring.

1.8A
A modular switch assembly is considered to be a general-use AC only flush switch.

1.9
This Standard does not apply to:

a) Clock operated switches specified in the Standard for Clock-Operated Switches, UL 917, and CSA Standard C22.2 No. 177;
b) Dimmer switches specified in the Standard for Solid-State Dimming Controls, UL 1472, and CSA Standard C22.2 No. 184.1;
c) Industrial control equipment specified in the Standard for Industrial Control Equipment, UL 508, and CSA Standard C22.2 No. 14;
d) Solid-state, single-phase motor speed controls specified in the Standard for Solid-State Fan Speed Controls, UL 1917, and CSA Standard C22.2 No. 156;
e) Special-use and ac-only fixture switches specified in the Standard for Switches for Appliances – Part 1: General Requirements, UL 61058-1, and CSA Standard C22.2 No. 55; and Switches for use in hazardous locations specified in the Standard for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations, UL 1203, and CSA Standard C22.2 No. 159.

1.10
For switches intended for connection to branch-circuit wiring containing aluminum conductors, refer to the Standard for Receptacles and Switches Intended for Use with Aluminum Wire, UL 1567, or to Annex B.

[Add the following]

This Standard covers the above noted products that are intended to be installed or used in accordance with CSA C22.1, the Canadian electrical Code, Part I.

This clause of Part 1 is replaced by the following.

This International Standard deals with the safety of outdoor barbecues for household and similar use, their rated voltage being not more than 250 V.

Appliances not intended for normal household use but that nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard.

NOTE 101 Examples of such appliances are those used by restaurants and hotels.

As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However, in general, it does not take into account

- persons (including children) whose
* physical, sensory or mental capabilities; or
* lack of experience and knowledge prevents them from using the appliance safely without supervision or instruction;
- children playing with the appliance.

NOTE 102 Attention is drawn to the fact that

- for appliances intended to be used on board ships, additional requirements may be necessary;
- in many countries, additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour and similar authorities.

NOTE 103 This standard does not apply to

- barbecues for indoor use (IEC 60335-2-9);
- appliances intended to burn charcoal or similar combustible fuels;
- appliances intended exclusively for industrial purposes;
- appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas).

Scope: CSA C22.2 NO. 62841-4-5:23

This clause of Part 1 is applicable, except as follows.

Addition:

This document applies to grass shears with a maximum cutting width of 200 mm designed primarily for cutting grass.

This document does not apply to hedge trimmers.

NOTE 101 Hedge trimmers are covered by IEC 62841-4-2.

Note: This is an IEC Adoption with no Canadian Deviations

Replacement:

This part of IEC 61558 deals with safety aspects of separating transformers and power supplies incorporating separating transformers such as electrical, thermal and mechanical safety.

This Part 2-1 is applicable to separating transformers and power supplies incorporating both separating transformers and electronic circuits. This Part 2-1 is not applicable to external circuits and their components intended to be connected to the input terminals, output terminals or socket-outlets of the transformers and power supplies.

This Part 2-1 does not apply to transformers covered by IEC 60076-11.

This Part 2-1 applies to stationary or portable, single-phase or polyphase, air-cooled (natural or forced) independent and associated separating transformers and power supplies, having a rated supply voltage not exceeding 1 000 V a.c., a rated supply and internal operating frequency not exceeding 500 Hz.

The rated output does not exceed:

– 1 kVA for single-phase separating transformers and single-phase power supplies incorporating separating transformers;
– 5 kVA for poly-phase separating transformers and poly-phase power supplies incorporating separating transformers.

This Part 2-1 is applicable to separating transformers and power supplies incorporating separating transformers without limitation of the rated output subject to an agreement between the purchaser and the manufacturer.

This Part 2-1 is applicable to dry-type transformers. The windings may be encapsulated or non-encapsulated.

The no-load output voltage or the rated output voltage does not exceed 1 000 V a.c. or 1 415 V ripple-free d.c. 

For independent separating transformers and independent power supplies, the no-load output voltage and / or the rated output voltage is not less than 50 V a.c., or 120 V ripple-free d.c.

Separating transformers covered by this Part 2-1 are used only in applications where double or reinforced insulation between circuits is not required by the installation rules or by the end product standard.

NOTE 1 Normally, the separating transformers and power supplies incorporating separating transformers are intended to be used with equipment to provide voltages different from the supply voltage for the functional requirements of the equipment. The protection against electric shock may be provided (or completed) by other features of the equipment, such as the body. Parts of output circuits may be connected to the input circuits or to protective earth.

This Part 2-1 is applicable to separating transformers and power supplies incorporating separating transformers associated with specific equipment, to the extent decided upon by the relevant IEC technical committees.

NOTE 2 Attention is drawn to the following:

– for separating transformers and power supplies incorporating separating transformers intended to be used in vehicles, on board ships, and aircraft, additional requirements (from other applicable standards, national rules, etc.) may be necessary;
– measures to protect the enclosure and the components inside the enclosure against external influences such as fungus, vermin, termites, solar-radiation, and icing should also be considered;
– the different conditions for transportation, storage, and operation of the separating transformers and power supplies incorporating separating transformers should also be considered;
– additional requirements in accordance with other appropriate standards and national rules may be applicable to separating transformers and power supplies incorporating separating transformers intended for use in special environments, such as tropical environment.

NOTE 3 Future technological development of separating transformers and power supplies incorporating separating transformers may necessitate a need to increase the upper limit of the frequencies, until then this Part 2-1 may be used as a guidance document.

Note: This is an IEC Adoption with no Canadian Deviations

Replacement:

This part of IEC 61558 deals with safety aspects of control transformers and power supplies incorporating control transformers such as electrical, thermal and mechanical safety.

This Part 2-2 is applicable to control transformers and power supplies incorporating both control transformers and electronic circuits. This Part 2-2 is not applicable to external circuits and their components intended to be connected to the input terminals, output terminals or socket-outlets of the transformer and power supplies.

This Part 2-2 does not apply to transformers covered by IEC 60076-11.

This Part 2-2 applies to stationary or portable, single-phase or poly-phase, air-cooled (natural or forced), independent or associated control transformers and power supplies incorporating a control transformer, having a rated supply voltage not exceeding 1 000 V a.c. and rated supply and internal operating frequency not exceeding 500 Hz.

The rated thermal output does not exceed:

– 25 kVA for single-phase control transformers and power supplies incorporating control transformers;
– 40 kVA for poly-phase control transformers and power supplies incorporating control transformers.

This Part 2-2 is applicable to control transformers and power supplies incorporating control transformers without limitation of the rated output subject to an agreement between the purchaser and the manufacturer.

This Part 2-2 is applicable to dry-type transformers. The windings may be encapsulated or non-encapsulated.

The no-load output voltage or the rated output voltage does not exceed 1 000 V a.c. or 1 415 V ripple-free d.c.

For independent control transformers and independent power supplies incorporating control transformers, the no-load output voltage and / or the rated output voltage is not less than 50 V a.c., or 120 V ripple free d.c.

Control transformers covered by this Part 2-2 are used only in applications where double or reinforced insulation between circuits is not required by the installation rules or by the end product standard.

NOTE 1 Normally, the control transformers and power supplies incorporating control transformers are intended to be used with equipment to provide voltages different from the supply voltage for the functional requirements of the equipment. The protection against electric shock may be provided (or completed) by other features of the equipment, such as the body. Parts of output circuits may be connected to the input circuits or to protective earth.

This Part 2-2 is applicable to control transformers and power supplies incorporating control transformers associated with specific equipment, to the extent decided upon by the relevant IEC technical committees.

NOTE 2 Attention is drawn to the following:

– for control transformers and power supplies incorporating control transformers intended to be used in vehicles, on board ships and on board aircraft, additional requirements (from other applicable standards, national rules, etc.) may be necessary;
– measures to protect the enclosure and the components inside the enclosure against external influences such as fungus, vermin, termites, solar-radiation, and icing should also be considered ;
– the different conditions for transportation, storage, and operation of the control transformers and power supplies incorporating control transformers should also be considered;
– additional requirements in accordance with other appropriate standards and national rules may be applicable to control transformers and power supplies incorporating control transformers intended for use in special environments, such as tropical environments.

NOTE 3 Future technological development of control transformers and power supplies incorporating control transformers may necessitate a need to increase the upper limit of the frequencies, until then this Part 2-2 may be used as a guidance document.

Note: This is an IEC Adoption with no Canadian Deviations

Replacement:

This part of IEC 61558 deals with the safety of isolating transformers for general applications and power supply units incorporating isolating transformers for general applications. Transformers incorporating electronic circuits are also covered by this standard.

NOTE 1 Safety includes electrical, thermal and mechanical aspects.

Unless otherwise specified, from here onward, the term transformer covers isolating transformers for general applications and power supply units incorporating isolating transformers for general applications.

NOTE 2 For power supply units (linear) this part is applicable. For switch mode power supply units, IEC 61558-2-16 is applicable together with this part.

This part is applicable to stationary or portable, single-phase or polyphase, air-cooled (natural or forced) independent or associated dry- type transformers. The windings may be encapsulated or non-encapsulated.

The rated supply voltage does not exceed 1 100 V a.c., and the rated supply frequency and the internal operating frequencies do not exceed 500 Hz.

The rated output does not exceed:

– 25 kVA for single-phase transformers;
– 40 kVA for polyphase transformers.

This part is applicable to transformers without limitation of the rated output subject to an agreement between the purchaser and the manufacturer.

NOTE 3 Transformers intended to supply distribution networks are not included in the scope.

The no-load output voltage or the rated output voltage does exceed 50 V a.c. or 120 V ripple-free d.c., and where applicable, does not exceed 500 V a.c. or 708 V ripple-free d.c.

The no-load output voltage and the rated output voltage may be up to 1 000 V a.c. or 1 415 V ripple-free d.c. for special applications.

This part is not applicable to external circuits and their components intended to be connected to the input terminals and output terminals of the transformers.

Transformers covered by this part are used in applications where double or reinforced insulation between circuits is required by the installation rules or by the end product standard.

NOTE 4 Attention is drawn to the following:

- for transformers intended to be used in vehicles, on board ships, and aircraft, additional requirements (from other applicable standards, national rules, etc.) may be necessary;
- measures to protect the enclosure and the components inside the enclosure against external influences such as fungus, vermin, termites, solar-radiation, and icing should also be considered;
- the different conditions for transportation, storage, and operation of the transformers should also be considered;
- additional requirements in accordance with other appropriate standards and national rules may be applicable to transformers intended for use in special environments.

NOTE 5 Future technological development of transformers may necessitate a need to increase the upper limit of the frequencies, until then this part may be used as a guidance document.

Note: This is an IEC Adoption with no Canadian Deviations

Replacement:

This part of IEC 61558 deals with the safety of safety isolating transformers for general applications and power supply units incorporating safety isolating transformers for general applications. Transformers incorporating electronic circuits are also covered by this standard.

NOTE 1 Safety includes electrical, thermal and mechanical aspects.

Unless otherwise specified, from here onward, the term transformer covers safety isolating transformers for general applications and power supply units incorporating safety isolating transformers for general applications.

NOTE 2 For power supply units (linear) this part is applicable. For switch mode power supply units, IEC 61558-2-16 is applicable together with this part.

This part is applicable to stationary or portable, single-phase or polyphase, air-cooled (natural or forced) independent or associated dry- type transformers. The windings may be encapsulated or non-encapsulated.

The rated supply voltage does not exceed 1 100 V a.c., and the rated supply frequency and the internal operating frequencies do not exceed 500 Hz.

The rated output does not exceed:

– 10 kVA for single-phase transformers;
– 16 kVA for polyphase transformers.

This part is applicable to transformers without limitation of the rated output subject to an agreement between the purchaser and the manufacturer.

NOTE 3 Transformers intended to supply distribution networks are not included in the scope.

The no-load output voltage or the rated output voltage does not exceed 50 V a.c. or 120 V ripple-free d.c.

This part is not applicable to external circuits and their components intended to be connected to the input terminals and output terminals of the transformers.

Transformers covered by this part are used in applications where double or reinforced insulation between circuits is required by the installation rules or by the end product standard.

NOTE 4 Attention is drawn to the following:

– for transformers intended to be used in vehicles, on board ships, and aircraft, additional requirements (from other applicable standards, national rules, etc.) may be necessary;
– measures to protect the enclosure and the components inside the enclosure against external influences such as fungus, vermin, termites, solar-radiation, and icing should also be considered;
– the different conditions for transportation, storage, and operation of the transformers should also be considered;
– additional requirements in accordance with other appropriate standards and national rules may be applicable to transformers intended for use in special environments.

NOTE 5 Future technological development of transformers may necessitate a need to increase the upper limit of the frequencies, until then this part may be used as a guidance document.

1 Scope 
This International Standard deals with the safety of electrical appliances for household and similar purposes, their RATED VOLTAGE being not more than 250 V for single-phase appliances and 480 V for other appliances. 

NOTE 1 BATTERY-OPERATED APPLIANCES and other d.c. supplied appliances are within the scope of this standard. Dual supply appliances, either mains-supplied or battery-operated, are regarded as BATTERY-
OPERATED APPLIANCES when operated in the battery mode. 

Appliances not intended for normal household use but which nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard. 

NOTE 2 Examples of such appliances are catering equipment, cleaning appliances for commercial use, and appliances for hairdressers. 
As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However, in general, it does not take into account 

– persons (including children) whose 
• physical, sensory or mental capabilities; or 
• lack of experience and knowledge 
– children playing with the appliance. 

NOTE 3 Attention is drawn to the fact that 
– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary; 
– in many countries, additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour, the national water supply authorities and similar authorities. 
NOTE 4 This standard does not apply to 

– appliances intended exclusively for industrial purposes; 
– appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas); 
– audio, video and similar electronic apparatus (IEC 60065);
– appliances for medical purposes (IEC 60601); prevents them from using the appliance safely without supervision or instruction;
– hand-held motor-operated electric tools (IEC 60745);
– personal computers and similar equipment (IEC 60950-1);
– transportable motor-operated electric tools (IEC 61029) 

[Add the following]

This Standard applies to the safety of such equipment designed and constructed for installation and use in accordance with CSA C22.1, Canadian Electrical Code, Part I.

Replacement:

This part of IEC 61558 deals with the safety of auto transformers for general applications and power supply units incorporating auto transformers for general applications. Transformers incorporating electronic circuits are also covered by this standard.

NOTE 1 Safety includes electrical, thermal and mechanical aspects.

Unless otherwise specified, from here onward, the term transformer covers auto transformers for general applications and power supply units incorporating auto transformers for general applications.

NOTE 2 : For power supply units (linear) this part is applicable. For switch mode power supply units, IEC 61558-2-16 is applicable together with this part.

This part is applicable to stationary or portable, single-phase or polyphase, air-cooled (natural or forced) independent or associated dry- type transformers. The windings may be encapsulated or non-encapsulated.

The rated supply voltage does not exceed 1 100 V a.c., and the rated supply frequency and the internal operating frequencies do not exceed 500 Hz.

The core power does not exceed:

– 2 kVA for single-phase transformers;
– 10 kVA for polyphase transformers.

The rated output does not exceed:

– 40 kVA for single-phase transformers;
– 200 kVA for polyphase transformers.

This part is applicable to transformers without limitation of the core power and the rated output both being subject to an agreement between the purchaser and the manufacturer.

Where applicable, the no-load output voltage or the rated output voltage does not exceed 1 000 V a.c. or 1 415 V ripple-free d.c., and for independent transformers, the no-load output voltage and the rated output voltage exceeds 50 V a.c., or 120 V ripple-free d.c.

This part is not applicable to external circuits and their components intended to be connected to the input terminals and output terminals of the transformers.

Transformers covered by this part are used only in applications where no insulation between circuits is required by the installation rules or by the end product standard.

NOTE 3 Attention is drawn to the following:

– for transformers intended to be used in vehicles, on board ships, and aircraft, additional requirements (from other applicable standards, national rules, etc.) may be necessary;
– measures to protect the enclosure and the components inside the enclosure against external influences such as fungus, vermin, termites, solar-radiation, and icing should also be considered;
– the different conditions for transportation, storage, and operation of the transformers should also be considered;
– additional requirements in accordance with other appropriate standards and national rules may be applicable to transformers intended for use in special environments.

NOTE 4 Future technological development of transformers may necessitate a need to increase the upper limit of the frequencies, until then this part may be used as a guidance document.

1.1
This standard applies to metallic and nonmetallic cover plates and associated gaskets for flush- mounted wiring devices intended for installation in accordance with the National Electrical Code, ANSI/NFPA 70, and the Canadian Electrical Code, Part I, CSA C22.1, General Requirements – Canadian Electrical Code, Part II, CSA C22.2 No. 0-10.

1.2
This standard also applies to outlet box hoods that are either integral or not integral with a cover plate for flush-mounted wiring devices.

1.3
This standard also applies to cover plates for flush-mounted wiring devices intended for use in marine applications in accordance with the applicable requirements of the United States Coast Guard and the Canadian Coast Guard; IEEE Recommended Practice for Electrical Installation on Shipboard, IEEE 45; the American Boat and Yacht Council; and the Standard for Pleasure and Commercial Motor Craft, NFPA 302.

1.4
This standard also applies to illuminating cover plates for flush-mounted wiring devices.

1.5
This standard does not apply to:

(a)telephone wall plates;
(b)cover plates and associated gaskets intended for use in hazardous (classified) locations as defined in the National Electrical Code, ANSI/NFPA 70, and the Canadian Electrical Code, Part I, CSA C22.1; 
(c) backplates, backplates intended to support live parts, or docking plates intended to support live parts;
(d) box partition; or
(e) cover plates or outlet box hoods intended to provide direct support of live parts, or parts that may become energized.

1.1
This Standard applies to encapsulated isolating transformers for use as a circuit continuity device, intended to be installed in airport field lighting series circuits for use in nonhazardous locations in accordance with the Canadian Electrical Code, Part I.

1.2
This Standard applies to transformers that consist of electrically separated primary and secondary coils that are wound upon a core, the assembly being enclosed in a waterproof case with molded on lead connectors. The primary coil is connected into the series circuit and the secondary coil to the light fixture lead by means of plug/receptacle connectors.

1.3
Transformers constructed to meet the requirements of this Standard are suitable for continuous outdoor service in ambient temperatures from a minimum of –55 °C to a maximum of +65 °C and for direct earth burial or placement in a housing (junction box) of an airport lighting raceway system.

1.4
In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

This International Standard covers electrical mobile motor-operated vacuum cleaners Equipment Protection Level (EPL) Dc.

1DV DR Modification of Clause 1 to replace it with the following:

1DV.1 This International Standard covers electrical mobile motor-operated vacuum cleaners Equipment Protection Level (EPL) Dc for use in Zone 22 locations.

This includes dust extractors, for wet suction or dry suction, intended for commercial indoor use with or without attachments, to collect combustible dust in an explosive dust   atmosphere.

1DV.2 This includes dust extractors, for wet suction or dry suction, intended for commercial indoor use with or without attachments, to collect combustible dust in an explosive dust   atmosphere.  Vacuum cleaners intended for Zone 22, Group IIIC are not permitted in the US because there are only Zone 20 and Zone 21 locations for this dust group.

This document supplements and modifies the requirements of IEC 60079-0. Whenever a requirement of this standard is in conflict with a requirement of IEC 60079-0, the requirement   of this standard will take precedence.

1DV.3 This document supplements and modifies the requirements of IEC 60079-0 UL 60079-0 and CSA C22.2 No. 60079-0. Whenever a requirement of this standard is in conflict with a requirement of IEC 60079-0 UL 60079-0 or CSA C22.2 No. 60079-0, the requirement   of this standard will take precedence.

The following power systems are covered:

– mains powered motors up to a rated voltage of 250 V for single-phase appliances and 480 V for other appliances.

This document does not cover specific hazards associated with extreme ambient temperatures (less than –20 °C or higher than 40 °C) unless otherwise marked by the manufacturer as given in IEC 60079-0. The temperatures shall not exceed the temperature range of –20 °C to +60 °C.

1DV.4 This document does not cover specific hazards associated with extreme ambient temperatures (less than –20 °C or higher than 40 °C) unless otherwise marked by the manufacturer as given in IEC 60079-0 UL 60079-0 or CSA C22.2 No. 60079-0. The temperatures shall not exceed the temperature range of –20 °C to +60 °C.

1DV.5 This document does not cover specific hazards associated with the suction of flammable liquids.

This document does not cover motorized cleaning heads for which additional requirements are under consideration.

This document does not apply to

– back-pack vacuum cleaners;
– vacuum cleaners with a traction drive;
– vacuum cleaners and water-suction cleaning appliances for household use (IEC 60335-2-2 CSA-E60335-2-2, CSA C22.2 No. 243 / UL 1017);
– floor treatment machines for commercial use (IEC 60335-2-67, IEC  60335-2-72) with or without a traction drive
– spray extraction machines for commercial use (IEC 60335-2-68 CSA C22.2 No. 60335-2-68 / UL 60335-2-68);
– hand-held mains-operated electrical garden blowers, vacuums and blower vacuums (IEC 60335-2-100 CSA C22.2 No. 243 / UL 1017);
– hand-held and transportable motor-operated electric tools (IEC 62841 series CSA C22.2 No. 60745 (all parts), UL 60745 (all parts), CAN/CSA E1029 (all parts), UL987, CSA C22.2 No. 71.2, CSA C22.2 No. 62841 (all parts), UL 62841 (all parts);
– appliances for medical purposes (IEC 60601-1 CAN/CSA C22.2 No. 60601-1 / UL 60601-1, AAMI ES 60601-1);
– machines designed for use in corrosive environments;
– machines designed for picking up flammable liquids or combustible liquids with a flash point below 55 °C;
– machines designed for use in explosive environments due to the presence of explosive substances or pyrotechnical products, or unstable chemical substances.

1DV.6 Where references are made to IEC and ISO standards, the reference requirements found in these standards apply as modified by any applicable US or Canadian National Differences for the standard (see Clause 2).

1.1
This Standard applies to devices intended to potentially remove/reduce airborne particulate matter, VOCs, or microorganisms from the air in indoor residential and commercial with self-contained or duct-mounted applications.

1.2
This standard applies to powered:

a) extra-low and low voltage electrostatic air cleaners
b) ionizing air cleaners
c) photocatalytic oxidizer type air cleaners
d) UV (ultraviolet) devices that emit UVC radiation between 100 and 280 nm

1.3
This Standard does not apply to unpowered air filters.

1.4
This Standard applies to cord-connected and permanently-connected equipment operating at nominal supply voltages up to 600 V, single-phase or polyphase, that is intended to be installed or used in accordance with CSA C22.1, Canadian Electrical Code, Part I.

1.5
This standard also applies to products powered by Universal Serial Bus (USB) supply source and rechargeable batteries.

1.6
This Standard does not apply to electrostatic air cleaners for use in hazardous locations or in atmospheres defined as hazardous by the Canadian Electrical Code, Part I.

1.7
This Standard does not specify requirements for the effectiveness of air cleaners with respect to the removal of airborne particles.

1.8
This Standard does not apply to electrostatic air cleaners intended for industrial use.

1.9
This Standard does not apply to air cleaners for residential use that are designed to generate ozone intentionally.

1.10
This Standard does not apply to ozone generators, and/or devices intentionally using ozone to treat or condition air, designed exclusively to be connected to air duct systems.

1.11
In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

1.1

This standard applies to electric vehicle energy management system(s) (EVEMS) product, sub-assemblies of matched assembly systems, and associated software, that provide functional safety control of electrical parameters intended to permit a demand factor to be applied to a calculated load for electric vehicle power transfer system equipment (EVPTSE), rated 1000 Volts ac or 1500 Volts dc or less, installed in accordance with the Canadian Electrical Code, Part I, CSA C22.1, and, the National Electrical Code, NFPA 70. An EVEMS may be equipped with other functionalities including non-safety control and communication.

1.2

The equipment to which the requirements of this standard apply is intended for use in indoor and outdoor nonhazardous locations.

1.3

This standard also includes a verification protocol, to validate the conditions listed in Electric Vehicle Energy Management Systems requirements of the Canadian Electrical Code, Part I, or the National Electrical Code are met, when EVEMS is implemented in accordance with the Electrical Code requirements for Canada and the USA. Refer to Section 0, Introduction.

1.4

The requirements of this standard do not apply to:

Equipment, sub-assemblies, or portions of software of EVEMS that do not perform load functional safety control if they are already covered by existing electrical equipment standards.

Electric Vehicle Supply Equipment (EVSE) contained in CSA C22.2 No. 280/UL 2594/NMX-J-677-ANCE (which does not contain EVEMS functionality)

Personnel Protection Systems for Electric Vehicle Supply Circuits as covered in CSA C22.2 No. 281.1/UL 2231-1 /NMX-J-668/1-ANCE and CSA C22.2 No. 281.2/UL 2231-2/NMX-J-668/2-ANCE.

Battery Chargers as covered by CSA C22.2 No. 346

Electric Vehicle Power Export Equipment (EVPE) equipment contained in CSA C22.2 No. 348/UL 9741 (which does not contain EVEMS functionality).

Wireless Power Transfer equipment contained in CSA C22.2 No. 61980-1 (which does not contain EVEMS functionality).

Wireless Power Transfer equipment is contained in UL 2750.

DC Charging Equipment for Electric Vehicles contained in ANCE NMX-J-817/CSA C22.2 No.346/UL2202 (which does not contain EVEMS functionality).

1.5

In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the limits of the Standard. 

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. 

Notes to tables and figures are considered part of the table or figure and may be written as requirements. 

1.1
This standard applies to the overhead contact system and traction power supply to the locomotive, using a single-phase alternating supply (AC) at 25 kV or 2x25 kV nominal voltage, 60 Hz, for new installations and modification to existing system.

1.2 
This standard has been written primarily for use in the development of conventional railway freight and mainline/commuter passenger services. However, the use of the standard is recommended for development of special services, such as rapid transit, wherever possible.

1.3 

1.3
The standard covers design considerations in the following selected areas of railway electrification:

a) Electric rail traction power system studies;
b) vertical and horizontal clearances;
c) overhead contact systems;
d) interference with railway signaling circuits;
e) interference with communication circuits;
f) utility interface-unbalance and harmonics;
g) grounding and bonding; and
h) the overall traction power system performance as it relates to system reliability, availability, maintainability, and safety (RAMS)

1.4 
The clauses contained in this standard do not constitute complete design or construction specifications for railway electrification.

1.5
Conditions not covered by this standard may be governed by the appropriate requirements or other standards and documents in common use or as required by constituted authority.

1.6 
In addition to the reference publications listed in Clause 2, the standards and guidelines of the American Railway Engineering and Maintenance-of-Way Association (AREMA), the Association of American Railroads (AAR), the European Norms (EN), the International Electrotechnical Commission (IEC), and the Union Internationale des Chemins de Fer (UIC) may be used in areas not included in this standard.

1.1
This Standard applies to nonmetallic or composite mechanical protection tubing (MPT), and nonmetallic, composite or metallic fittings, and clamps used for the support, routing and mechanical protection of conductors, wires, and cables. The MPT, fittings, and clamps are intended to be used to interconnect separate component assemblies or consoles of electrical devices, such as robotics, medical or X-ray equipment. The mechanical protection afforded the internal wiring contained within the tubing is considered equivalent to the protection provided by a type SJT flexible cord. Mechanical protection tubing (MPT) may be submitted without fittings, clamps, etc.

1.2
The MPT, fittings, and clamps covered by this Standard are not intended for use as a wiring method in accordance with NFPA 70, National Electrical Code (NEC), CSA C22.1, Canadian Electrical Code (CE Code), Part I and NOM-001-SEDE Standard for Electrical Installations.

1.3
This Standard does not include standard trade sizes. The MPT, fittings, and clamps from different manufacturers are not interchangeable unless the combination of MPT, fittings, and clamps are determined to be in accordance with this Standard.

1.4
This Standard does not apply to tubing with slit or split wall constructions, electrical nonmetallic tubing, liquid tight flexible non-metallic conduit, flexible metal conduit, liquid-tight flexible metal conduit, jacketed or unjacketed metallic conduit, or EMI/RFI shielding conduits. 

This Standard does not apply to fittings for use with cable or conduit, liquid-tight flexible nonmetal conduit, electrical nonmetallic tubing, flexible metal conduit, liquid-tight flexible metal conduit, jacketed or unjacketed metallic conduit, or EMI/RFI shielding conduits and strain-relief of a fitting.

Note 1: Insulating bushings to provide strain-relief for flexible cord and single conductors are covered in the Standard for Insulating Bushings,  UL 635.

Note 2: Flexible aluminum and steel conduit is covered in the Standard for Flexible Metal Conduit, UL 1 or Flexible metal conduit and liquid-tight flexible metal conduit, CSA-C22.2 No. 56, 

Note 3: Liquid-tight flexible metal conduits are covered in the Standard for Liquid-Tight Flexible Metal Conduit, UL 360, or Flexible metal conduit and liquid-tight flexible metal conduit, CSA-C22.2 No. 56.

Note 4: Fittings for use with cable and conduit are covered in the Standard for Conduit, Tubing, and Cable Fittings, CSA-C22.2 No. 18.3, UL 514B, NMX-J-017-ANCE

Note 5: Liquid-tight flexible nonmetallic conduit is covered in the Standard for Liquid-Tight Flexible Nonmetallic Conduit, CSA C22.2 No. 227.2.1, UL 1660, NMX-J-764-ANCE

Note 6: Electrical Nonmetallic Tubing is covered in UL 1653, CSA C22.2 No. 227.1, NMX-J-851-ANCE