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Arch 2 electrical

Terms in this set (22)

Electricity
The flow of electrons in a conductor
Conductor
A material that permits the flow of electricity
Circuit
The complete path of an electric current
Voltage
pressure that forces current through a wire
Volts
The SI unit for voltage
Current
The volume of electrons flowing through the conductor
Ampere
The base SI unit of electrical current
Resistance
A way to measure the amount of work a component in a circuit can do. Somethings that is harder to run has more resistance
Ohm
The SI unit of electrical resistance
Watt
One ampere under one volt of pressure
Service Drop
An electrical line running from a utility pole to a customer's building or other premises
Service Entrance
The fitting and conductors that bring electricity into the building
Service Panel
The main distribution box that receives the electricity and distributes it to various points in the house through branch circuits.
Conduit
pipes or enclosed channels through which conductors are run
Connectors
secure connections between two or more conductors and conduit
Electrical Wiring
Wires, boxes, and devices that control the distribution and use of electricity
Circuit Breaker
A device for interrupting an electric circuit to prevent excessive current from damaging the equipment in the circuit or from causing a fire
Fuse
A safety device that breaks the circuit when it is overloaded by melting a fusible link
Switching
Controls the current to lights and appliances
Receptacle
A contact device installed at an outlet for the connection of a portable lamp, appliance, or other electric device by means of a plug or a cord
Lighting Outlet
An outlet designed to provide use of a lighting fixture
Convenience Outlet
A device attached to a circuit to allow electricity to be drawn off for appliances or lighting
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