Electricity

Electricity

A database referring to the existence of a flow of electric charge.

Industry: Utilities

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Electricity

hertz

Electrical equipment; Electricity

1) A unit of frequency equal to one cycle per second. 2) In alternating current, the changing of the negative and positive poles.

high intensity discharge (HID) lamp

Electrical equipment; Electricity

An electric discharge lamp in which the light producing arc is stabilized by wall temperature and the arc tube has a bulb wall loading in excess of 3 watts per square centimeter. Examples of HID ...

high pot

Electrical equipment; Electricity

A test done to confirm the reliability of an insulation system where a high voltage is applied.

high pressure sodium (HPS) lamp

Electrical equipment; Electricity

A High Intensity Discharge light source in which the arc tube's primary internal element is Sodium Vapor. HPS is commonly used for roadway and area lighting.