Power Supply Dc Voltage Wire Color Code. 5v sb standby voltage green. The united states uses its own color codes for ac and dc wiring. Positive of a positive grounded circuit.
The united states uses its own color codes for ac and dc wiring. 5v sb standby voltage green. Neutral neutral wires should be grey. 2 wire earthed of a positive grounded dc circuit.
Mid wire labeled as m.
Mid wire center tap n. For a more visual way to show the international wiring color codes for dc power we ve created this dc power circuit wiring color codes infographic. Any other colors expected the above mentioned can be used for live line or hot wires. The mandatory colors for power wiring in national electric codes nec are green bare or green yellow yellow strip or band on green for protective ground pg and white alternatively grey for neutral wire. Positive of a positive grounded circuit.