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Residential Electrical Terms
Terms in this set (15)
Unit of current used to measure the amount of electricity flowing through a conductor per unit of time.
Circuit (parallel or series)
A path through which electricity flows from a source to one or more outlets then returns to the source.
A device designed to open and close a circuit manually and to open the circuit automatically on a predetermined overload of current. Breakers come in various levels of Amp capacity ranging from 15-100+)
A material that permits the flow of electricity (usually refers to a copper wire).
A device attached to a circuit to allow electricity to be drawn off for appliances or lighting.
A safety device that breaks the circuit when it is overloaded by melting a fusible link.
An outlet intended for the use of a lighting fixture.
The standard unit of electrical resistance between two points of a conductor.
The overhead service conductors between the last pole and the first point of attachment to the house.
The fittings and conductors that bring electricity into the building.
The main distribution box that receives the electricity and distributes it to the various points in the house through branch circuits. Contains the main disconnect switch fuse or breaker that supplies the total electrical system of the house.
Pressure that forces current through a wire. One volt is the force that causes one ampere of current to flow through a wire with one ohm resistance.
One ampere under one volt of pressure. Amp x Volts = Watts (Most Appliances are rated in Watts)
One of several individual circuits from the distribution panel. Distributed from an individual breaker inside of a panel.
Ground-Fault Circuit Interrupter (GFCI)
A safety device that continually monitors the flow of current in a circuit.
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