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1 Scope This part of IEC 60974 is applicable to power sources for arc welding and allied processes designed for industrial and professional use, and supplied by a voltage not exceeding 1 000 V, battery supplied or driven by mechanical means. This document specifies safety and performance requirements of welding power sources and plasma cutting systems. This document is not applicable to…

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…

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…

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…

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…

1 Scope 1.1 This standard provides the requirements for relocatable buildings. Note: See Section 4 Glossary, Annex C and Section D3. 1.2 This Standard applies to relocatable buildings where the major occupancy, as defined in the National Building Code of Canada, is: a) Group A, Division 2; b) Group C, except that the standard does not apply to buildings containing dwelling units; c) Group…

1 Scope This clause of Part 1 is replaced by the following. This part of IEC 60335 deals with the safety of electric HEAT PUMPS, including SANITARY HOT WATER HEAT PUMPS, AIR CONDITIONERS, and DEHUMIDIFIERS incorporating motor-compressors and HYDRONIC FAN COILS UNITS, their maximum RATED VOLTAGES being not more than 250 V for single phase appliances and 600 V for all other appliances. PARTIAL…

1 Scope 1.1 This Standard covers gas-fired refrigerators having refrigerated spaces for (1) storage of foods, or (2) storage of foods and making ice, or (3) storage of frozen foods and making ice, or (4) storage of foods and the storage of frozen foods and making ice, hereinafter referred to as refrigerators or appliances. The Standard applies to newly produced refrigerators constructed…

1 Scope 1.1 This Standard applies to portable type gas camp stoves (hereinafter referred to as “appliance” or “stove”) having input ratings of 15,000 Btu/hr (4.4 kW) or less per burner for use: a) with propane gas, butane gas, and any combination thereof; and b) outdoors only. 1.2 Stoves and components employing materials or having forms of construction differing from those detailed in…

1 Scope 1.1 This Standard applies to the design, installation, operation, maintenance, and testing of emergency generators and associated equipment for providing an emergency electrical power supply to electrical loads a) in buildings and facilities when the normal power supply fails and an emergency electrical power supply is required by the National Building Code of Canada (NBCC); and b)…