Electricity

Electricity

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

Industry: Utilities

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Electricity

cable tray

Electrical equipment; Electricity

A rigid structural system used to support cables and raceways. Types of cable trays include ladder, ventilated trough, ventilated channel, and solid bottom

CAIDI

Electrical equipment; Electricity

A distribution circuit reliability average interruption duration index. It represents the average time required to restore service to the average customer per sustained interruptions.

CAIFI

Electrical equipment; Electricity

The customer average interruption frequency index. It is designed to show trends in customers interrupted and helps to show the number of customers affected out of the whole customer base.

current transformer ratio

Electrical equipment; Electricity

1) The ratio of primary amps divided by secondary amps. 2) The current ratio provided by the windings of the CT. For example, a CT that is rated to carry 200 Amps in the primary and 5 Amps in the ...

cut off voltage

Electrical equipment; Electricity

Battery Voltage reached at the termination of a discharge. Also Known as the End Point Voltage (EPV).

cutoff (lighting)

Electrical equipment; Electricity

Luminaire light distribution is classified as cutoff when the candlepower per 1000 lamp lumens does not numerically exceed 25 (2.5

cutoff angle (lighting)

Electrical equipment; Electricity

With regard to an outdoor lighting luminaire, the angle between the vertical axis and the first line of sight at which the bare light source is not visible.