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Electrical standards (OES)
0ES 2 – Underground Cable Installation 2nd edition
OES 1 - 33KV & 11KV Overhead Lines
OES 2 - CABLES AND ACCESSORIES
OES 3 - LT Overhead Lines
OES 4 - Electrical Installations in Buildings
OES 5, 5A & 6 - Transformers
OES 7, 21, 22, 23, 28 & 31 - LT Equipment and Material
OES 8,9,10,16,17,18,20,25, 26, 29 & 33 - Overhead Line Material & Equipment
OES 11 - General Specifications Electrical Equipment & Materials
OES 12A, 12B, 13, 14, 15, 19, 34 & 35 - Switchgear & Associated Equipment
OES 24 - 3311KV Indoor Substations
OES 27 Volume 1 - 132 33KV Substations
OES 30 - 33 11KV Outdoor Substation
OES 32 - 132KV Overhead Lines
OES 36 - Indoor Substations
OES 37 - Dry Type Transformer
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