Mining type flameproof supply and control units for use on systems up to 1100 V, Specification for air-cooled transformers to power drilling machines— 26 стр.
Specification for mining type flameproof gate-end boxes, Gate-end boxes for direct-on-line motor starting (for use on 3-phase a.c. circuits up to 650 V)— 22 стр.
Specification for cold-pour resin-based compound for use as a filling medium in terminating cables in enclosures for voltages not exceeding 11 kV for use in coal mines— 14 стр.
Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors) for use in coal mines— 34 стр.
Specification for interconnection of electrical apparatus, constructed to two or more British Standards, for use in mines susceptible to firedamp— 16 стр.
Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors) for use in coal mines— 34 стр.
