Electricity

Electricity

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

Industry: Utilities

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Electricity

National Electrical Manufacturers Association (NEMA)

Electrical equipment; Electricity

NEMA provides a forum for the standardisation of electrical equipment and is located at 2101 L Street N.W., Washington, DC, 20037.

The National Fire Protection Association (NFPA 70E) standard

Electrical equipment; Electricity

Standard that provides guidance on implementing appropriate work practises that are required to safeguard workers from injury while working on or near exposed electrical conductors or circuit parts ...

Occasional traffic

Electrical equipment; Electricity

Refers to a grade level Reinforced Polymer Concrete or fibreglass Reinforced Plastic Box or Cover load rating of 20,800lbs. This rating is derived from double wheel loading of 16,000 lbs with an ...

Off peak power

Electrical equipment; Electricity

Power supplied during designated periods of low power system demand.

Off-load tap changer

Electrical equipment; Electricity

A tap changer that is not designed for operation while the transformer is supplying load.

Ohm

Electrical equipment; Electricity

A unit of electrical resistance defined as the resistance of a circuit with a voltage of one volt and a current flow of one ampere.

Ohm's law

Electrical equipment; Electricity

E=IR; I=E/R; R=E/I; Where E = Voltage impressed on a circuit, I = current flowing in a circuit and R = circuit resistance. Ohm's Law is used for calculating voltage drop, fault current and other ...