Why do I have 6 wires in my thermostat?

Why do I have 6 wires in my thermostat?

If your system has six wires, it’s because it features second-stage heating, second-stage cooling or heat-pump cooling but not all three. The extra wire signals the additional function to come on. If your system has second-stage heating and cooling as well as a heat pump, then the thermostat needs eight wires, not six.

How many wires do I need for a thermostat?

The most basic thermostat has 2 wires; usually a red and a white wire. Two wire thermostat wiring is used for furnaces only and usually doesn’t need a “C” or “Common” wire.

What is the blue wire in a thermostat?

The Blue or C Wire C wires or varying colors apply to every thermostat, but blue C wires belong to thermostats attached to a heat pump. Blue wires are for heat pumps. This wire connects to terminal B on your thermostat.

How do you wire a new phone jack?

Instructions

1. Strip the Outer Sheathing. Strip 2 to 3 inches of the outer sheathing from the phone cable, using wire strippers.
2. Untwist and Strip the Individual Wires. Untwist the individual wires inside the cable from one another.
3. Install the Mounting Plate.
4. Connect the Wires.
5. Reinstall the Cover.

How to wire a phone jack for a phone outlet?

How to Wire a Phone Jack (Voice or Telephone RJ-11 thru RJ-14) (USOC Wiring Diagram) Telephone wiring for a phone outlet is typically either 1, 2 or 3 pairs (2, 4, or 6 conductor). Most cable nowadays is UTP (unshielded twisted pair).

Can you put a 6 wire thermostat on a house?

You can install a six-wire thermostat. The standard number of wires on a digital thermostat with a lighted LED display that controls a single-stage heating and cooling system is five. If your system has six wires, it’s because it features second-stage heating, second-stage cooling or heat-pump cooling but not all three.

How do you install a second line on a phone jack?

A second pair of wires is used if you are installing a second line, such as a second voice-phone line. Then, identify the individual wires you’ll be using: Remove the cover from the front of the phone jack, exposing the mounting plate and mounting screw holes.

Can a phone jack be prewired for a second phone number?

This style of phone jack can be pre-wired for a 2-line phone service, giving you the opportunity to have a second phone number that can be used for a business line or a fax machine. Make sure the wires are well under the screw terminals.