Arc welding equipment — Part 6: Limited duty equipment
1 Scope
This part of IEC 60974 specifies safety and performance requirements applicable to limited
duty arc welding and cutting power sources and auxiliaries designed for use by laymen.
Electrically powered equipment is intended to be connected to the single phase public lowvoltage
supply system. Engine driven power sources cannot exceed output power of 7,5 kVA.
NOTE 1 This equipment is…
Photovoltaic (PV) module safety qualification — Part 1: Requirements for construction
1 Scope
This part of IEC 61730 specifies and describes the fundamental construction requirements for
photovoltaic (PV) modules in order to provide safe electrical and mechanical operation.
Specific topics are provided to assess the prevention of electrical shock, fire hazards, and
personal injury due to mechanical and environmental stresses. This part of IEC 61730
pertains to the particular…
Photovoltaic (PV) module safety qualification — Part 2: Requirements for testing
1 Scope
The scope of IEC 61730-1 is also applicable to this part of IEC 61730. While IEC 61730-1
outlines the requirements of construction, this part of the standard lists the tests a PV module
is required to fulfill for safety qualification. IEC 61730-2 is applied for safety qualification only
in conjunction with IEC 61730-1.
The sequence of tests required in this standard may not test for…
Manual and automatic gas selector devices for use with gas-fired appliances
1 Scope
1.1
This Standard applies to newly produced gas selector devices (see Clause 3), herein after referred to as a “device”, constructed entirely of new, unused parts and materials.
1.2
The device may include functions such as selection of type of gas to operate the appliance and main burner primary air adjustment. The device may also contain multiple passageways that can be selected to…
Preferred voltage levels for AC systems up to 50 000 V
1 Scope
1.1
This Standard establishes steady-state voltage operating ranges at point of connection for AC power systems in Canada. It serves to provide guidance
a)
to national committees on utilization and control equipment for establishing standard ratings of such equipment on a basis coordinated with power system voltages;
b)
to power system designers so that new systems will be designed…
Radon control options for new construction in low-rise residential buildings
1 Scope
This National Standard of Canada (NSC) addresses requirements for radon control in the design and construction
of new, low-rise residential buildings (see Definitions).
This Standard provides design criteria, design tools, methods and techniques, and sample construction specifications
to minimize radon entry into new homes prior to initial occupancy and prepare for future mitigation…
Household and similar electrical appliances - Safety - Part 2-103: Particular requirements for drive...
IEC 60335-2-103:2015+A1:2017+A2:2019 deals with the safety of electric drives for horizontally and vertically moving gates, doors, garage doors and windows for household and similar purposes, their rated voltage being not more than 250 V for single-phase drives and 480 V for other drives. It also covers the hazards associated with the movement of the driven part.
Battery-operated drives and…
Household and similar electrical appliances - Safety - Part 2-97: Particular requirements for drives...
IEC 60335-2-97:2016+A1:2019 deals with the safety of electric drives for shutters, blinds and awnings, intended for household and similar purposes, their rated voltage being not more than 250 V for single-phase drives and 480 V for other drives. Battery-operated drives and other d.c. supplied drives are within the scope of this standard. Examples of equipment that can be driven are:
- spring…
Aggregates for concrete — Test methods for mechanical and physical properties — Part 3: Determinatio...
This document gives the determination of aggregate crushing value (ACV) of aggregates. This gives a relative measure of the resistance of the aggregate crushing under the gradually applied compressive load.
The method is applicable to aggregates passing a 14,0 mm test sieve and retained on a 10,0 mm test sieve. For other size fractions, a recommended method is described in Annex A. The aggregate…
Plant Oil Extraction Equipment for Installation and Use in Ordinary (Unclassified) Locations and Haz...
1 Scope
1.1 This Standard covers commercial and industrial plant oil extraction equipment for installation and use
indoors in an ordinary (unclassified) locations and hazardous (classified) locations. Based on the
application, installation is in accordance with the manufacturer's installation instructions, together with the
following, as applicable:
a) CSA C22.1, Canadian Electrical…