Ac Control Wiring Colors

Abyc cable wire color codes for yacht boat marine wiring there are multiple colors used for different wires and cables in different regions for ac alternating current single phase three phase and dc direct current for design and installation based on the local codes rules and regulations.

Ac control wiring colors. It is important to note that with this type of wiring there are multiple phases in place each of which will get its own color wire to make it clear what it is. In that case local custom dictates the optional wire colors. Thermostat wiring colors code hvac control always follow the thermostat manufacturer s instructions whenever changing the thermostat. Dual transformer systems refer to a setup with a cooling and heating transformer.

For wires that will be 120 208 or 240 volts the following wiring color standards are used. Ac power comes in many different types based on how many volts the wires will be carrying. Always turn the power off at the air handler and the condenser and make sure there is no voltage at the transformer before proceeding. Wiring for ac and dc power distribution branch circuits are color coded for identification of individual wires.

Rc wires are only for air conditioning systems or dual transformer systems. In other jurisdictions only a few conductor colors are so codified.