Wiring For Ac Common Colors
The outer plastic sheathing or jacket and the inner color coded wires the sheathing binds the inner wires together and its outer markings indicate the number of wires and size of wire gauge within the sheathing.
Wiring for ac common colors. Standard colors used for home wiring what follows here is the standard coloring for wires throughout a home. O or b these terminals are for heat pumps and the b t stat terminal is used on for rheem or ruud and any manufacturer that energizes the reversing valve in heating mode for the heat pump. In some jurisdictions all wire colors are specified in legal documents. The color of the sheathing indicates recommended usages.
For the thermostat wiring colors code for this terminal if equipped consult with the installer. In that case local custom dictates the. Ac service tech llc 254 717 views. Ac power 120 208 240 volts ac power comes in many different types based on how many volts the wires will be carrying.
The gauge or size of the wire may change depending on the current requirement of the circuit but the color is a consistent feature. In the usa color codes are usually utilized for power wires in branch circuits the wiring between the last protective device like a circuit breaker and the load like an appliance. Thermostat wiring to a furnace and ac unit. Wiring for ac and dc power distribution branch circuits are color coded for identification of individual wires.
10 most common thermostat wiring diagrams. These are commonly found in home and office settings. For wires that will be 120 208 or 240 volts the following wiring color standards are used. Non metallic or nm 120 volt and 240 volt electrical cable come in two main parts.