Color wires in the terminal distribution box
The mandatory colors for power wiring in the National Electrical Code (NEC) are Green, Bare, or Green/Yellow (a yellow stripe or band on green) for the protective ground (PG), and White (or alternatively Gray) for the neutral wire. Color codes are an essential and fundamental concept which are used to convey information quickly and effectively. This guide describes wiring color codes, international standards, and main rules to keep in mind to work smarter and safer. The IEC 60446 standard, "Basic and Safety Principles for Man-Machine Interface, Marking, and Identification," establishes global guidelines for identifying electrical equipment terminals, conductors, and wiring colors. Wiring Color Codes in Europe (IEC) for AC Supply Wiring Color Codes in Europe (IEC) for DC Supply Is this faq.
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