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.
How Many Ounces Can a Letter Weigh Before There's a Need to Add Another Stamp? The cost of a first-class stamp is $0.49, according to the United States Postal Service website as of November 2017. One needs a single stamp to mail a letter that weighs one ounce or less. Each additional ounce carries with it a cost of $0.21. This is the cost for mailing when stamps are purchased at the post office. There can be other additional charges as well, depending on the shape and size of the letter. Cost of Postage Through Metered Mail There is a slight discount for metered mail. The cost to mail a one-ounce letter through metered mail is $0.46, with a charge of $0.21 per additional ounce. Metered mail is mail that is sent by businesses, and it includes self-addressed stamped envelopes.