BS 787-3:1971

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Books

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BSI

Specification for mining type flameproof gate-end boxes. Gate-end boxes with lighting transformers|Endurance testing, Temperature rise, Gate-end boxes, Protected electrical equipment, Type testing, Dry-type transformers, Electrical protection equipment, Rated voltage, High-voltage tests, Transformers, Power transformers, Electric connectors, Power cables, Electrical safety, Mining equipment, Electric enclosures, Lighting equipment, Rated current, Design, Marking, Rated frequencies, Artificial lighting

134 GBP