Outstanding Ac Unit Wire Colors
Additionally the common sometimes black should come from the common side of the transformer.
Ac unit wire colors. Wire colors on capacitor. Furthermore the wire colors on the transformer will be different than the thermostat wires. The yellow wires underneath your thermostat connect to your compressor.
Ground the ground wire if present will be white or grey. The us national electrical code only mandates white or grey for the neutral power conductor and bare copper green or green with yellow stripe for the protective ground. Hope it helped you out.
Currently ac is working fine right now. The yellow wires connect to the y terminals on your thermostat. Negative the wire for the negative current is black.
Quick video stepping you through how to wire a typical 220v ac condenser unit. The united states national electrical code requires a bare copper or green or green yellow insulated protective conductor a white or grey neutral with any other colour used for single phase. The yellow wires terminate at your compressor contactor via an air handler.
The red wire should always come from the hot side of the 24 volt transformer. Ac power 120 208 240 volts. However seen on other posts that yellow herm and blue common.
They control your air conditioning system. Positive the wire for the positive current is red.