Kirchhoff’s Current Law.   The sum of the currents entering and leaving a … Read More

Linear Load. A utilization-equipment load where the wave shape of the current … Read More

Megger. An electrical test instrument that uses a high-voltage output for insulation … Read More

NEMA National Electrical Manufacturers Association is a group who publishes electrical and … Read More

Ohmmeter. An electrical test instrument used for lower-value (as compared to high-resistance) … Read More

Power Supply A transformer and rectifier circuit are encased together to supply … Read More

Rebar. A contraction of the term reinforcement bars, which are half-inch wrought-iron … Read More

Sealtight. The trade name for liquid-tight flexible metallic conduit. Semiconductor. A name … Read More

Timer A relay that will delay the switching of the contacts by … Read More

Ufer ground. Name after the man who invented and tested it, a … Read More