18 Terms
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Electricity
A database referring to the existence of a flow of electric charge.
Industry: Utilities
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Electricity
cycles-per-second
Utilities; Electricity
A measure of the frequency in an ac electric system. Abbreviated cps or cycles. Now replaced with the unit Hertz.
decibel
Utilities; Electricity
A logarithmic measure of the ratio of two quantities. Abbreviated dB. For electrical power, 1 dB = 10 x log10 P1/P2. For electric voltage or current, 1 dB = 20 x log10 E1/E2.
depth of discharge
Utilities; Electricity
The percent of rated capacity of a battery that has been discharged from the battery.
electrolyte
Utilities; Electricity
A nonmetallic conductor of electricity usually consisting of a liquid or paste in which the flow of electricity is by ions.
energy
Utilities; Electricity
The capacity for, or the ability to do, mechanical work. Electrical energy is measured in kilowatt-hours for billing purposes.
feeder
Utilities; Electricity
Circuit conductors between the service equipment and the last downstream branch circuit overcurrent protective device.
float charge
Utilities; Electricity
Charging current supplied to a battery which overcomes the battery self-discharge rate. This current, under otherwise normal conditions, will maintain the battery in a fully charged state.
