Watt

A thermometer whose bulb is covered with a piece of watersoaked cloth. It is a type of temperature measurement that reflects the physical properties of a system with a mixture of a gas and a vapor, us [..]

The force that pushes electrical current along wires and cables. Term voltage used to indicate the potential difference in a circuit, voltage is also known as the pressure which causes current to flow [..]

Vacuum

A unit of measure of electrical force given to the electrons in an electric circuit. A single volt is the electromotive force that will cause a steady current of one ampere to surge through a resistan [..]

U-Factor

U-Factor

U-Factor

Underwriters Laboratories.

A furnace in which air is drawn in through the bottom or sides and expels warm air out the top. .