Definitions and nomenclature for carbon brushes, brush-holders,commutators and slip-rings
Establishes a vocabulary of definitions and terms for classes of brush grades, brushes, tops, flexibles (shunts) and connections, terminals, commutators and slip-rings, commutator marking and other miscellaneous details. Contains illustrations for each term. Gives the terms in Dutch, English, French, German, Italian, Polish, Russian, Spanish and Swedish.
Note: -For definitions and terminology of…
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…
Connecting wires having a rated voltage of 20 kV and 25 kV d.c. anda maximum working temperature of ...
Applies to single high-tension connecting wires with thermoplastic insulation, having a rated voltage of 20 kV and 25 kV d.c. and a working temperature of 105°C.
Applies to lampholders with Edison thread E14, E27 and E40, designed for connection to the supply of lamps and semi-luminaires only.
Also applies to:
- switched-lampholders for use in a.c. circuits only, where the working voltage does not exceed 250 V r.m.s;
- lampholders with Edison thread E5 designed for connection to the supply mains of series connected lamps, with a working voltage not…