electricalscho

Institute of Electrical and Electronics Engineers. Pronounced “eye-triple-E”, this non-profit U.S. engineering organization develops, promotes, and reviews standards within the electronics, computer and electric power industries.

Illuminating Engineering Society of North America. Founded in 1906, IESNA is the recognized technical authority on illumination.

1) The total opposing force to the flow of current in an ac circuit. 2) The combination of resistance and reactance affecting the flow of an alternating current generally expressed in ohms.

Tests to confirm that the insulation level is sufficient to withstand overvoltages, such as those caused by lightning strikes and switching.

Insulated Gate Bipolar Transistor