Substation Control-cable Color Codes

For control cables with multiple conductors, there is a need for standardized color codes in order to reduce/eliminate wiring errors. The most common standard for control cables is ICEA (Insulated Cable Engineers Assocation) Standard S-7-532 and NEMA (National Electrical Manufacturers Association) Standard WC57. Within these standards, there are many “methods” and “color sequences” called out, …

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