What gauge wire is thermostat wire?

18 gauge
The most common thermostat cabling is 18/5 (18 gauge, 5 conductor), because 5 conductors typically offer enough functions for a modern thermostat/low voltage device.

What is plenum rated thermostat wire?

Plenum-rated thermostat wire is electrical cable that has been rated to run through the air-circulation spaces in buildings, usually located between the structural and suspended ceiling or under a raised floor. It is used to connect thermostat controls to a main power circuit via the ceiling or floor.

What is 18 8 thermostat wire for?

Uses for this wire includes controlling relays , powering transformers as well sending 24 volts from thermostats to turn on/off your air conditioning unit or furnace. It is also used for home automation and home alarm systems.

What does each thermostat wire do?

This is the most typical thermostat wiring style, and it applies to systems that regulate both heat and air conditioning. The wires are typically arranged as follows: red for 24-volt hot, white for heat, yellow for cooling, green for the fan, and blue for common (although the common wire may be a different color).

Is RC and C wire the same?

Hi there! The C and Rc wires are not the same. To install this thermostat you should follow the exact same wiring of the previous thermostat.

Is it OK to splice thermostat wire?

If you have to, you can splice the thermostat wire and generally, if the splicing has been done correctly, the thermostat’s function will not be affected. And as thermostats normally only need low-voltage power there are no safety regulations that prohibit the use of spliced thermostat wire.

What color is C wire for thermostat?

Blue wires
Blue wires are also called “C” wires because they are the Common wire. C wires are necessary for any “smart” thermostat that needs to be connected to a power source 24/7, regardless of your heat pump type.

What is the red wire on a thermostat?

The Rh wire connects to your heating system as opposed to your cooling system. This wire may be red without an H attached to it, depending on if you have a dual transformer setup. The Rh wire connects to the RH terminal on your thermostat.

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