Dimensions of indoor and outdoor post insulators and post insulator unit for systems with nominal vo...
This edition supersedes the second edition of IEC 273 (1979).
Applies to post insulators and post insulator units of ceramic material or glass intended for indoor or outdoor service, and to post insulators of organic material intended for indoor service in electrical installations or equipment operating on alternating current systems with a nominal voltage greater than 1 000 V and a frequency not…
Methods of measurement for radio transmitters - Part 1: General conditions of measurement, frequency...
Deals with methods of measurement of a number of characteristics applicable to transmitter for all classes of emission. Standard conditions of measurement are specified which apply to these measurements, as well as to those described in the other specialized parts.
Oil Fired Steam and Hot Water Boilers for Commercial and Industrial Use
1. Scope
1.1 This Standard applies to complete flue-connected, oil-fired steam and/or hot-water boilers, provided with automatic control devices.
1.2 This Standard applies to low pressure boilers intended for commercial and industrial use having an input of, or in excess of, 3 gph (US) (approximately 400,000 Btuh) and to high pressure boilers regardless of intended use or input. Note…
1. Scope
1.1 This Standard applies to portable industrial oil-fired heaters irrespective of the heating capacity, the type of burner or the motive power.
1.2 The requirements given herein apply to units which may be indirect-fired or direct-fired, vented or unvented, and which may be used with or without duct work.
1.3 The requirements given herein apply to direct-fired or indirect-fired…
1. Scope
1.1 This Standard applies to complete commercial-industrial steam cleaning
machines which are either gas*-fired or oil+-fired.
*Natural, manufactured or liquefied petroleum gas, etc.
+Grades as listed in CSA Standard B140.0, Definitions and General Requirements
for Oil Burning Equipment.
1.2 The requirements of Clauses 1 to 8, apply to both oil-fired steam cleaning
machines…
Rubber insulated flexible cables and cords with circular conductors and a rated voltage bit exceedin...
Applies to rigid and flexible cables with insulation and sheath if any, based on vulcanized rubber, of rated voltages Uo/U up to and including 450/750 V used in power installations of nominal voltage not exceeding 450/750 V a.c. Specifies cables that are safe and reliable when properly used, states the manufacturing requirements and characteristics to achieve this, and specifies methods for…
Polyvinyl Chloride (PVC) Protective Covering on Paper Insulated Metallic
Sheathed Power Cable
1. SCOPE
1.1 This Standard applies to PVC protectie covering over paper-insulated
metallic-sheathed power cables to protect metallic sheath against mechanical
damage during installation, and against corrosion.
Note: For abnormal installations, such as when high transient voltages may
appear on the metallic sheath, it may be necessary to require a greater
thickness of polyvinyl chloride…
Enclosures for Use in Class II Groups E, F, and G Hazardous Locations
1. Scope
1.1 This Standard applies to enclosures for electrical equipment, other than lighting fixtures, intended to be used in Class II, Groups E, F, and G hazardous locations in accordance with the Rules of the Canadian Electrical Code, Part I.
Sprayed Metal Coatings for Atmospheric Corrosion Protection
1. Scope
1.1 This Standard covers sprayed coatings of aluminum and zinc applied by powder, wire and molten metal processes for the protection of iron and steel against atmospheric corrosion. 1.2 This Standard excludes conduit coated with zinc by metallizing.
