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Electrical Color Wire Meanings

Have you ever tried to upgrade a standard outlet to a USB outlet? Once you take the cover off, you’re inundated with a million multicolor wires. Well, we’ve put together an infographic to help you know which one is which.

Knowing Wire Colors Can Really Save Time

Green wires are typically for grounding.
Black wires are used for power.
Red wires deliver a secondary live wire in a 200-volt circuit.
White/gray wires are used as neutrals (but can still carry a charge).
Bare copper wires are used for grounding to metal.

In the past, we’ve run into problems where customers have bought houses where the wiring work isn’t up to code and has the wrong colored wire.

If you feel you may have this issue, contact us immediately.

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- By submitting this form and signing up for texts, you consent to receive messages from F.H. Furr Plumbing, Heating, Air Conditioning & Electrical at the number provided regarding your request, updates about appointments and services or promotions and offers, including messages sent by autodialer. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency varies. Unsubscribe at any time by replying STOP Reply HELP for help. Privacy Policy and Terms