| A | B |
|---|
| ambient temperature | the temperature of the air that surrounds an object on all sides |
| ampacity | the current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating |
| bathroom | an area including a basin with one or more of the following: a toilet, a urinal, a tub, a shower, a bidet, or similar plumbing fixtures |
| bathroom branch circuit | a branch circuit that supplies electrical power to receptacle outlets in a bathroom |
| branch circuit | the circuit conductors between the final overcurrent device (fuse or circuit breaker) and the outlets |
| bundled | cables or conductors that are physically tied, wrapped, taped, or otherwise periodically bound together |
| dwelling | one or more rooms arranged for complete, independent housekeeping purposes, with space for eating, living, and sleeping; facilities for cooking; and provisions for sanitation |
| feeder | the circuit conductors between the service equipment and the final branch-circuit overcurrent protection device; the wiring from the service entrance equipment to a subpanel |
| general lighting branch circuit | a branch-circuit type used in residential wiring that has both lighting and receptacle loads connected to it |
| individual branch circuit | a circuit that supplies only one piece of electrical equipment |
| laundry branch circuit | a type of branch circuit found in residential wiring that supplies electrical power to laundry areas |
| lug | a device commonly used in electrical equipment to terminate a conductor |
| multiwire branch circuit | a branch circuit that consists of two or more ungrounded conductors that have a voltage between them and a grounded conductor that has an equal voltage between it and each ungrounded conductor |
| nipple | an electrical conduit of 2 feet or less in length used to connect two electrical enclosures |
| outlet | a point on the wiring system at which current is taken to supply electrical equipment; an example is a lighting outlet or a receptacle outlet |
| service disconnect | a piece of electrical equipment installed as part of the service entrance that is used to disconnect the house electrical system from the electric utility’s system |
| small-appliance branch circuit | a type of branch circuit found in residential wiring that supplies electrical power to receptacles located in kitchens and dining rooms |
| subpanel | a panel that is connected by a feeder circuit to the main service entrance panel; it is usually located in an area of a house where it provides power to several branch circuits |
| volt-ampere | a unit of measure for alternating current electrical power |
| general purpose branch circuit | a branch circuit that supplies two or more receptacles or lighting outlets, or a combination of both |
