Electrical Cable Color Coding-Here’s The Key

Electricians use a standard color coding scheme to know “What’s hot and what’s not”. The coding is usually applied with electrical tape.

Black             Low Voltage        Phase A

Red                Low Voltage        Phase B

Blue               Low Voltage        Phase C

Brown            High Voltage       Phase A

Orange           High Voltage       Phase B

Yellow             High Voltage       Phase C

Green              Earth Ground

White              Low Voltage         Neutral

Grey                 Low Voltage         Neutral

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