electricalscho

The percentage of light generated within a luninaire which ultimately strikes the work surface. It is usually expressed as a decimal percentage.

Also known as “Coax”, this cable is typically used to connect TV to its video source. Coaxial Cable consists of a small copper wire or tube, surrounded by an insulating material and another conductor with a larger diameter, normally copper braid or a cond

Carbon Monoxide.

Referring to a circuit breaker it is the necessary time for it to close, beginning with the time of energizing of the closing circuit until contact is made in the CB.

The time during which a closing impulse is given to the circuit breaker.