Specification for high-voltage metal-enclosed switchgear for rated voltages of 72.5 kV and above
Definitions, service conditions, rating, design and construction. Type and routine tests, including operation tests at limit temperatures and weatherproofing test.
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High-voltage switches - Switches for rated voltages above 1 kV and less than 52 kV
Maintenance of electrical switchgear and controlgear for voltages above 1 kV and up to and including 36 kV. Code of practice
Maintenance of electrical switchgear and controlgear for voltages above 36 kV. Code of practice
BS EN 50052:2016
High-voltage switchgear and controlgear. Gas-filled cast aluminium alloy enclosures