7 Terms
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Electricity
A database referring to the existence of a flow of electric charge.
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Electricity
dBi
Electrical equipment; Electricity
Decibels compared to an isotropic antenna. The higher the dBi, the stronger the antenna.
dBm
Electrical equipment; Electricity
Decibels compared to one milliwatt. The higher the dBm, the higher the devices transmit or receive power.
DCF77
Electrical equipment; Electricity
A LF transmitter located at Mainflingen, Germany, broadcasting a time signal on a 77.5 kHz frequency.
de-energized
Electrical equipment; Electricity
Free from any electrical connection to a source of potential difference and from electrical charge.
de-ionization time
Electrical equipment; Electricity
The time required for dispersion of ionized air after a fault is cleared so that the arc will not re-strike on re-energization.
dead front
Electrical equipment; Electricity
Generally refers to equipment that is connected without exposed conductor. Dead front equipment is normally connected with elbows. Thomas & Betts Elastimold division manufactures elbows and other ...
dead time
Electrical equipment; Electricity
The time between the fault arc being extinguished and the circuit breaker contacts re-mating.
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