Electrical
1.1 The wire connectors covered by these requirements are intended for use with copper conductor in accordance with installations covered by the National Electrical Code, NFPA 70; the Canadian Electrical Code, Part I, C22.1; and NOM 001 SEDE, Standard for Electrical Installations. The requirements in this standard cover twist-on style splicing sealed wire connectors intended for installations for applications noted below:
a) In accordance with wiring methods where the connector is installed in enclosures rated for the environment and located in dry locations, damp locations, wet locations, below grade, or above grade.
b) In lighting systems operating at 30 volts or less (rated 25 amperes and 30 volts, 42.4 volts peak, maximum), and lighting equipment connected to a Class 2 power source; where the connector is located in dry locations, damp locations, wet locations, direct buried locations, below grade, or above grade where protected from direct exposure to sunlight.
NOTE: Sealed wire connectors used in these applications do not require the use of an enclosure.
c) In Canada, Class 2 circuits located in dry locations, damp locations, wet locations, direct buried locations, below grade, or above grade where protected from direct exposure to sunlight. In the United States and Mexico, Class 2 and Class 3 circuits located in dry locations, damp locations, wet locations, direct buried locations, below grade, or above grade where protected from direct exposure to sunlight.
NOTE: Sealed wire connectors used in these applications do not require the use of an enclosure.
1.2 Splicing sealed wire connectors covered by this standard are intended for use with single or multiple conductor underground feeder cable, golf course sprinkler cable, underground low energy cable, irrigation cable, or other cable with insulation acceptable for direct burial, below grade use, or wet locations.
1.3 Splicing sealed wire connectors covered by this standard are intended for use with copper conductor sizes 30 AWG (0.05 mm2) through 6 AWG (13.3 mm2) with currents not exceeding the ampacity of insulated conductors rated either 75 °C (167 °F) or 90 °C (194 °F) and intended for use at 600 V or less.
1.4 For products intended for use in Canada, general requirements are given in CAN/CSA-C22.2 No. 0.
Replacement:
This document applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of ME EQUIPMENT and ME SYSTEMS intended to be used for projection RADIOGRAPHY and INDIRECT RADIOSCOPY.
IEC 60601-2-43 applies to ME EQUIPMENT and ME SYSTEMS intended to be used for interventional applications and refers to applicable requirements in this document.
ME EQUIPMENT and ME SYSTEMS intended to be used for bone or tissue absorption densitometry, computed tomography, mammography or dental or radiotherapy applications are excluded from the scope of this document. The scope of this document also excludes radiotherapy simulators.
If a clause or subclause is specifically intended to be applicable to ME EQUIPMENT only, or to ME SYSTEMS only, the title and content of that clause or subclause will say so. If that is not the case, the clause or subclause applies both to ME EQUIPMENT and to ME SYSTEMS, as relevant.
Replacement:
NOTE 1 There is guidance or rationale for this subclause contained in Clause AA.2.
This document applies to the basic safety and essential performance of an EMS ventilator in combination with its accessories, hereafter also referred to as ME equipment:
- intended for patients who need differing levels of support from artificial ventilation including ventilator-dependent patients;
- intended to be operated by a healthcare professional operator;
- intended for use in the EMS environment; and
- intended for invasive or non-invasive ventilation.
NOTE 2 An EMS ventilator can also be used for transport within a professional healthcare facility.
An EMS ventilator is not considered to use a physiologic closed loop-control system unless it uses a physiological patient variable to adjust the artificial ventilation therapy settings.
This document is also applicable to those accessories intended by their manufacturer to be connected to the ventilator breathing system, or to an EMS ventilator, where the characteristics of those accessories can affect the basic safety or essential performance of the EMS ventilator.
NOTE 3 If a clause or subclause is specifically intended to be applicable to ME equipment only, or to ME systems only, the title and content of that clause or subclause will say so. If that is not the case, the clause or subclause applies both to ME equipment and to ME systems, as relevant.
Hazards inherent in the intended physiological function of ME equipment or ME systems within the scope of this document are not covered by specific requirements in this document except in IEC 60601-:2005+AMD1:2012+AMD2:2020, 7.2.13 and 8.4.1.
NOTE 4 Additional information can be found in IEC 60601-:2005+AMD1:2012+AMD2:2020, 4.2.
This document does not specify the requirements for the following:
NOTE 5 See ISO/TR 21954 for guidance on the selection of the appropriate ventilator for a given patient.
- ventilators or accessories intended for ventilator-dependent patients in critical care applications, which are given in ISO 80601-2-12.
- ventilators or accessories intended for ventilator-dependent patients in the home healthcare environment, which are given in ISO 80601-2-72.
- ventilators or accessories intended for anaesthetic applications, which are given in ISO 80601-2-13.
- ventilators or accessories intended for ventilatory support equipment (intended only to augment the ventilation of spontaneously breathing patients), which are given in ISO 80601-2-79 and ISO 80601-2-80.
- obstructive sleep apnoea therapy ME equipment, which are given in ISO 80601-2-70.
- user-powered resuscitators, which are given in ISO 10651-4.
- gas-powered emergency resuscitators, which are given in ISO 10651-5.
- continuous positive airway pressure (CPAP) ME equipment.
- high-frequency jet ventilators (HFJVs), which are given in ISO 80601-2-87.
- high-frequency oscillatory ventilators (HFOVs)[44], which are given in ISO 80601-2-87.
NOTE 6 An EMS ventilator can incorporate high-frequency jet or high-frequency oscillatory ventilation-modes.
- respiratory high-flow therapy equipment, which are given in ISO 80601-2-90.
NOTE 7 An EMS ventilator can incorporate high-flow therapy operational mode, but such a mode is only for spontaneously breathing patients.
- oxygen therapy constant flow ME equipment.
- cuirass or “iron-lung” ventilators.
This clause of Part 1 is replaced by the following.
This part of IEC 60335 deals with the safety of electric appliances for skin beauty care of persons and intended for household, commercial and similar purposes, their rated voltage being not more than 250 V.
NOTE 101 Dual supply appliances, either mains-supplied or battery-operated, are regarded as battery-
operated appliances when operated in the battery mode.
Examples of appliances that are within the scope of this standard are
battery-operated appliances and other DC supplied appliances for skin beauty care;
- battery-operated appliances and other DC supplied appliances for skin beauty care;
- appliances with high frequency outputs including equipment for heat-producing effects on the skin; - appliances with medium frequency outputs including interferential outputs, for skin stimulation or muscle stimulation;
- appliances with low frequency outputs (e.g. faradic currents) for application such as skin stimulation or muscle stimulation;
- appliances with extra-low voltage DC outputs (e.g. galvanic currents), such as electroepilation (hair removal);
- skin beauty care appliances with ultrasonic outputs;
- appliances having vacuum-pressure functions;
- skin beauty care appliances for melting wax;
- appliances intended to produce surface cooling effect on the skin;
- facial cleaning appliances;
- micro-needling appliances;
- plasma pens.
NOTE 102 Appliances covered by this standard can incorporate vapour-producing devices or spray-producing devices.
This standard deals with the common hazards presented by appliances that are encountered by all persons. 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
– it is recognized that persons having very extensive and complex disabilities can have needs beyond the level addressed in this standard.
– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements can be necessary;
– in many countries, additional requirements can be specified by the national health authorities, the national authorities responsible for the protection of labour and similar authorities.
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);
– shavers, hair clippers and similar appliances (IEC 60335-2-8);
– blankets, pads, clothing and similar flexible heating appliances (IEC 60335-2-17);
– appliances for skin or hair care such as facial saunas, hand dryers, foot care appliances (IEC 60335-2-23);
– spray tanning appliances;
– appliances for skin exposure to optical radiation (IEC 60335-2-27);
– sauna heating appliances and infrared cabins (IEC 60335-2-53);
– cosmetic and beauty care appliances incorporating lasers and intense light sources (IEC 60335-2-113);
– appliances intended for medical purposes (IEC 60601);
– radio frequency appliances without contact to the skin;
– ultrasound appliances provided with focusing ultrasound transducers.
Scope for CSA C22.2 No. 24:21
1.1
This Standard applies to temperature-indicating and -regulating equipment* for voltages up to and including 600 V between conductors and intended for general household and industrial use in nonhazardous locations, in accordance with the Rules of CSA C22.1, Canadian Electrical Code, Part I (CEC, Part I).
* For convenience, the shorter term equipment is sometimes used in this Standard.
1.2
This Standard applies to electrical control equipment for air conditioning, heating, lighting, cooling, refrigeration, cooking appliances, safety controls, and other similar appliance controls.
1.3
This Standard does not apply to dimmers and extra-low-voltage equipment other than safety controls and room thermostats with heat anticipators.
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 part of IEC 60079 is applicable to electrical equipment protected by enclosure and surface temperature limitation for use in explosive dust atmospheres. It specifies requirements for design, construction and testing of electrical equipment and Ex Components.
This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard takes precedence.
This standard does not apply to dusts of explosives, which do not require atmospheric oxygen for combustion, or to pyrophoric substances.
This standard does not apply to electrical equipment or Ex Components intended for use in underground parts of mines as well as those parts of surface installations of such mines endangered by firedamp and/or combustible dust.
This standard does not take account of any risk due to an emission of flammable or toxic gas from the dust.
Consideration of additional protective measures is required where the application of electrical equipment is in atmospheres, which can contain combustible dust as well as explosive gas, whether simultaneously or separately.
Where the electrical equipment has to meet other environmental conditions, for example, protection against ingress of water and resistance to corrosion, additional measures can be necessary. The measures used should not adversely affect the integrity of the enclosure.
1.1
This Standard applies to decorative lighting strings, decorative lighting outfits, pre-lit trees, and accessories, intended for seasonal or commercial use connected to circuits of 120 V nominal or less by means of an attachment plug, and designed to be used in accordance with the rules of the Canadian Electrical Code, Part I, in non-hazardous locations.
1.2
These requirements cover electrically-assembled
a) series or series-parallel-connected lighting strings;
b) parallel-connected lighting strings;
c) decorative outfits;
d) controllers and flashers;
e) motor operated tree stands;
f) flexible light cable systems (rope lights); and
g) string lights for year-round use.
1.3
These requirements additionally cover ornaments, which are provided with an adapter for connection to a push-in lampholder and are intended to replace a push-in lamp in a series-connected decorative lighting string.
1.4
These requirements do not cover
a) permanently connected products;
b) portable luminaries;
c) cord sets, power supply cords, and cord-connected, multiple receptacle extension boxes;
d) fibre-optic devices, if not used in conjunction with decorative lighting; and
e) strings employing candelabra lampholders of the bayonet type.
1.5
Decorative lighting products not incorporating lighting strings are covered by the requirements of CSA C22.2 No. 250.4.
1.6
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 spas, hot tubs, cold tubs, and associated equipment intended for residential and commercial use indoors or outdoors in nonhazardous locations, installed in accordance with the Rules of the Canadian Electrical Code, Part I, and connected
a) permanently to an electrical circuit of 250 V or less (i.e., a maximum of 150 volts-to-ground); or
b) by a factory-provided supply cord, terminating in a moulded attachment plug, to an electrical supply rated at not more than 125 V single-phase and not more than 15 A.
Note: See Clause 4.2.8 for requirements for plug- and cord-connected equipment.
1.2
Clauses 4 to 6 apply to spas, hot tubs and cold tubs. Clauses 7 to 9 apply to associated equipment, as follows:
a) Clause 7 — remote packaged units for use with spas, hot tubs and cold tubs;
b) Clause 8 — lighting equipment provided as an integral part of a spa, hot tub and cold tubs; and
c) Clause 9 — electrolytic chlorine and bromine generators.
1.3
This Standard does not apply to
a) hydromassage bathtubs (covered in CSA C22.2 No. 218.2);
b) portable hydromassage units;
c) heated bathtubs;
d) hydrotherapy bathtubs or units; and
e) swimming pool heaters.
1.4
General requirements applicable to this Standard are given in CAN/CSA-C22.2 No. 0, General Requirements — Canadian Electrical Code, Part II.
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; “may” is used to express an option or that which is permissible within the limits of the standard; and “can” is used to express possibility or capability.
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 single-polarity connectors for use with all alloys of copper or aluminum clad aluminum conductors, or all three, for providing contacts between current-carrying parts, in accordance with the Canadian Electrical Code, Part I, C22.1, in Canada, the National Electrical Code
70, in the United States of America, or the Standard for Electrical Installations, NOM-001-SEDEas follows:
Note: Copper-clad aluminum conductors are for use only in the United States in accordance with National Electrical Code, NFPA 70.
a) Pressure wire connectors intended to hold one or more conductor(s);
b) Connectors intended for use in appliances and equipment that comply with the requirements appliances and equipment;
c) Soldering connectors;
d) Splicing wire connectors intended for use with 4 AWG (21.2 mm2) or larger conductors;
Note: A splicing wire and cable connector taking a range of conductor sizes may include conductor sizes smaller than 4 AWG (21.2 mm2).
e) Neutral bars;
f) Uninsulated connectors that are used in circuits rated 35 000 V and below;
g) Ampere-rated connectors not intended for general use;
h) Insulation piercing connectors;
i) Exothermically welded wire connectors; and
j) Pressure connectors and devices for splices and taps installed on service conductors.
1.1A
Connectors covered by this Standard are also suitable for use with conductors that are prepared using ferrules evaluated in accordance with CSA C22.2 No. 291-14/UL 486F, or wire connector adapters evaluated in accordance with this Standard, under the following conditions:
a) Ferrules and adapters are applied in accordance with their ratings and installation instructions.
b) The length of exposed conductive material maintains the strip lengths required by the connector manufacturer.
1.2
This Standard is intended for connectors suitable for use with conductors in the size ranges as follows
a) Aluminum:
1) 12 AWG (3.3 mm2) and 10 AWG (5.3 mm2) solid;
2) 12 AWG (3.3 mm2) to 2 000 kcmil (1 010 mm2) stranded, Class B concentric, compressed, and compact; and
3) 12 AWG (3.3 mm2) to 1 000 kcmil (508 mm2) stranded single input wire (SIW).
b) Copper-clad aluminum:
1) In Canada, this construction is not allowed.
2) In Mexico, this construction is not allowed.
3) In the United States:
i) 12 AWG (3.3 mm2) and 10 AWG (5.3 mm2) solid; an
ii) 12 AWG (3.3 mm2) to 2 000 kcmil (1 010 mm2) stranded, Class B concentric, compressed, and Class concentric.
c) Copper:
1) 30 AWG (0.05 mm2) to 10 AWG (5.3 mm2) solid; and
2) 30 AWG (0.05 mm2) to 2 000 kcmil (1 010 mm2) stranded, Class B concentric and compressed, and
Class C concentric.
d) Compact-stranded copper conductors:
1) In Canada for 8 AWG (8.4 mm2) and larger;
2) In the United States for 2 AWG (33.6 mm2) and larger; and
3) In Mexico for 8 AWG (8.4 mm2) and larger.
e) Rigid (solid and stranded) metric wire sizes, Classes 1, 2, 5, and 6, in the range of 0.5 – 2 500 mm2
addition to AWG/kcmil sizes, with AWG/kcmil ratings mandatory and metric wire ratings optional.
Note 1: Metric wire sizes are based on the IEC Standard for Conductors of Insulated Cables, IEC 60228
Note 2: For example, a connector rated for 6 AWG – i350 kcmil may be additionally rated for 16 – i185 mm2. See Annex C for example.
f) Other class and strand configurations as indicated by marking.
1.3
This Standard is intended for connectors suitable for currents not exceeding the ampacity of insulated conductors rated 75°C or 90°C in accordance with the rating of the connector, if provided.
1.4
These requirements cover insulated connectors, insulating caps, and covers intended for use at 2 000 volts or less and uninsulated connectors for use in general use circuits rated 35 000 volts nominal or less.
In Canada, uninsulated connectors may also be used in applications up to 5 000 volts phase-to-phase where allowed and installed in accordance with Section 36 of the Canadian Electrical Code, Part I, C22.1. For products intended for use in Canada, general requirements are given in CAN/CSA-C22.2 No. 0.
1.5
This Standard does not apply to:
a) Insulated connectors for voltage levels above 2 000 V;
b) Manual twist-on connectors;
c) Built-in terminal connectors in devices rated less than 30 A intended for outlet box mounting or having provision for stress relief;
d) Flat quick connect terminals;
e) Wire binding screw terminals; and
f) Bare or covered ferrules intended for use with 1/0 – 20 AWG stranded copper conductors.
1 Scope
This European Standard applies to cast aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage switchgear and controlgear above 1 kV, where the gas is used principally for its dielectric and/or arc-quenching properties with rated voltages
Above 1kV and up to and including 52 kV and with gas-filled enclosures with design pressure higher than 300 kPa relative pressure (gauge);
And with rated voltage above 52 kV.
The enclosures comprise parts of electrical equipment not necessarily limited to the following examples:
Circuit-breakers
Switch-disconnectors
Disconnectors
Earthing switches
Current transformers
Voltage transformers
Surge arrestors
Busbars and connections
Etc.
The scope also covers pressurized components such as the centre chamber of live tank switchgear, gas-insulated current transformers, etc.
2.1 Type of Equipment
This Standard applies to welded composite enclosures of cast and wrought aluminium and aluminium alloy enclosures pressurized with dry air, inert gases, eg, sulphur hexafluoride, carbon tetrafluoride, or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage switchgear and controlgear, where the gas is used principally for its dielectric and/or arc-quenching properties, with rated voltages
(a) 1 kV and up to and including 52 kV and with gas-filled compartments with design pressure greater than 3 bar (gauge); and
(b) 72.5 kV and above.
The enclosures comprise parts of electrical equipment not necessarily limited to the following examples:
- Circuit-breakers;
- Switch-disconnectors;
- Disconnectors;
- Earthing switches;
- Current transformers;
- Voltage transformers;
- Surge arresters;
- Busbars and connections.
The scope covers also pressurized components such as the centre-chamber of live tank switchgear and controlgear, gas-insulated current transformers, etc.
2.2 Production
The production of the enclosures shall be in accordance with documented welding procedures which shall be carried out by well trained and supervised welding personnel. Where international standards (ISO or CEN) are not available, National Standards may be used.
NOTE - This standard will be revised as soon as possible when ISO or CEN standards covering the various aspects are available.
2.3 Quality Assurance
It is the intention of this standard, that the switchgear manufacturer shall be responsible for achieving and maintaining a consistent and adequate quality of product.
Sufficient examinations shall be made by the enclosure manufacturer to ensure that the materials, production and testing comply in all respects with the requirements of this standard and ISO 6213:1983. Inspection by the user's inspectors shall not absolve the switchgear manufacturer from his responsibility to exercise such quality assurance procedures as to ensure that the requirements and the intent of this standard are satisfied.
NOTE - The manufacturer should have a quality assurance program registered to the applicable ISO 9000 series Standards.
Canadian Deviations are included in this Standard.
2.1 Type of Equipment
This Standard applies to fusion welded wrought steel enclosures pressurized with dry air, inert gases, eg, sulphur hexafluoride, carbon tetrafluoride, or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage switchgear and controlgear, where the gas is used principally for its dielectric and/or arc-quenching properties, with rated voltages
(a) 1 kV and up to and including 52 kV and with gas-filled compartments with design pressure greater than 3 bar (gauge); and
(b) 72.5 kV and above.
The enclosures comprise parts of electrical equipment not necessarily limited to the following examples:
-Circuit-breakers
- Switch-disconnectors
- Disconnectors
- Earthing switches
Current transformers
- Voltage transformers
- Surge arresters
- Busbars and connections
The scope also covers pressurized components such as the centre chamber of live tank switchgear, gas-insulated current transformers, etc.
2.2 Production
The production of the enclosures shall be in accordance with documented welding procedures which shall be carried out by well trained and supervised welding personnel. Where international standards (ISO or CEN) are not available national standards may be used.
NOTE - The standard will be revised as soon as possible when ISO or CEN standards covering the various aspects are available.
2.3 Quality Assurance
It is the intention of this standard that the switchgear manufacturer shall be responsible for achieving and maintaining a consistent and adequate quality of product.
Sufficient examinations shall be made by the enclosure manufacturer to ensure that the materials, production and testing comply in all respects with the requirements of this standard and ISO 6213:1983. Inspection by user's inspectors shall not absolve the switchgear manufacturer from this responsibility to exercise such quality assurance procedures as to ensure that the requirements and intent of this standard are satisfied.
NOTE - The manufacturer should have a quality assurance program registered to the applicable ISO 9000 series standards.
Canadian Deviations are included in this Standard.