Blue T Stat Wire

You may also have up to two black wires as well but these are used for various heating systems in the north or for outdoor purposes so for most of you these won t need any attention.

Blue t stat wire. Cerro s thermostat wire is a class 2 power limited cerro s thermostat wire is a class 2 power limited cable for use in thermostat controls and alarm systems. Knowing what each thermostat wire does can help in wiring up a new or replacement room thermostat. If hooking it up like that does not work disconnect the t stat touch red to green and white if you have heat the t stat is bad. 30 received 0 votes on 0 posts quote.

Southwire 250 ft 18 7 thermostat wire by the roll. If the blue wire is not hooked up then strip it back and wire to c on the board and take the blue wire at the t stat and wire that to c. This wire may be red without an h attached to it depending on if you have a dual transformer setup. In standard thermostat wiring the blue wire connects to the common terminal on the thermostat making it the c wire.

The rh wire connects to the rh terminal on your thermostat. Color of wire and termination. Again no blue wire appears. Thermostat wire reference chart.

The next t stat the honeywell t87n1026 big dial model does not require a c wire. In this configuration the blue wire acts as the return wire between the 24v transformer in the heating cooling system control panel and the thermostat. Featuring solid bare copper conductors and 6 miles of pvc insulation this wire is sunlight resistant and built to perform. Item 539960 model 64170444.

Thermostat wiring and wire color chart thermostat wiring colors code. R the r terminal is the power. Blue this is your common or c wire. I cannot count on all fingers and toes how many times i have found those hunter brand t stats to be bad yes brand new out of the box.

As in the previous cases above this honeywell round t stat utilizes the same wiring color code guide. 6 10 11 09 05 55 am m. Blue c is the common wire if your t stat is battery powered then it is unused. If you re still a little confused and i can understand why you would be i have added a thermostat wiring made.

It does not have the g wire. It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit. The blue or c wire. The rh wire connects to your heating system as opposed to your cooling system.

This article explains just what wire at a room thermostat actually controls. This data can also be helpful if thermostat wires have become mixed up or improperly color coded by allowing you to trace wires back to their control connection point.