What Do Thermostat Wiring Colors Mean? The colors of thermostat wiring indicate how each is used. To make sure that the thermostat functions properly, you have to make sure that all of the color-coded wires get on the appropriate terminals. While each system can vary, generally, you will find that the wires have universal coding: The red wire is the hot side of the transformer. The yellow wire deals with the compressor, which typically has to do with cooling. The green wire is the furnace blower fan. The white wire deals with the heat.
WASHINGTON (AP) â It's going to cost you a few pennies more to mail a letter. The cost of a first-class postage stamp is now 49 cents â 3 cents more than before. Regulators approved the price hike in December, and it went into effect Sunday.
One first class postage stamp will mail a one ounce letter from any place in the US to any other place in the US, regardless of the distance. + 15 others found this useful.t takes enough stamps that total $.42 to post a letter in the US. That is what the US Postal Service charges even from city to city or state to state. They raised the rate no â¦ t long ago. There are $.42 stamps available for purchase.