TRANSFORMER - used by buildings to step down from a high supply voltage to the service voltage
SERVICE SWITCH - main disconnect for the entire electrical system of a building
GENERAL PURPOSE BRANCH CIRCUIT - supplies outlets for lighting and appliances including convenience receptacles
APPLIANCE BRANCH CIRCUIT - supplies outlets intended for feeding appliances
INDIVIDUAL BRANCH CIRCUIT - is designed to supply a single specific item
PANEL - a board on which are mounted the switches, fuses, and circuit breakers
CIRCUIT BREAKER - switch that automatically interrupts an electric circuit to prevent excess current from damaging apparatus in the circuit from causing a fire
FEEDER - All circuit conductors between the service equipment of the generator switchboard of an isolated plant, and the final branch circuit over a current device
MAIN - is a feeder interior writing extending from the service switch, generator bus, or converter bus, to the main distribution center or electric service equipment
BRANCH CIRCUIT - is the technical term for house wiring installation.
RACEWAY - an enclosed conduit that forms a physical pathway for electrical wiring
CONDUIT - a tube in which electrical wires are housed for a variety of building or structural applications
Receptacles feeding portable and or steady appliance shall be limited to loads of 80% of their rating (percentage)
The National Electrical Code provides that:
“ 100 watts shall be the maximum load for each household lighting outlet”
The National Electrical Code provides that:
“ For each single receptacle shall be considered at no less than 180 watts rating.”