electricalscho

A quantity which is not the subject of the measurement but which influences the value of the output signal for a constant value of the measurand.

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

Initial Lamp Lumens

Insulated Gate Bipolar Transistor

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