Chapter 1,3 and 6 residential wiring

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minimum number of lighting branch circuits formulas

(3 volt- amperes x square ft)/ 120

30 amperes

10 awg copper conductor

20 amperes

12 AWG copper conductor

15 amperes

14 awg copper conductor

For HVAC equipment, receptacles must be within

25 ft

sliding glass doors on a wall must not be placed no more than

6 ft from a receptacle

Hallways 10 ft or longer in homes

must always have at least one receptacle

stairway lighting

must be provided on each floor

any wall space 24 inches or more

must have a receptacle

walking surface for receptacles

must not be more than 6.5 feet

laundries must have at least

one receptacle

Outdoors

one receptacle is required in the front and the other in the back

voltage

pushes the current

osha 1910.399 considers a qualified person as

someone who is familiar with construction and operation of the machine

branch circuit conductors

the circuit conductors between the final over-current device and the outlets

the purpose of the electrical code

the practical safeguarding of persons and property from hazards arising from the use of electricity

If detached garage has electrical power

all receptacles must be GFCI

continuous load

a load where the maximum current is expected to run for three hours or more

habitable room

a room in a residential occupancy for living, eating and sleeping

feeder

all circuit conductors between the service equipment, the source of a separately derived system, or other power supply source and the final branch circuit

harmful component of an electrical circuit

current

ampere rating

determines the rating of the circuit branch

detached garage is not required to have

electrical power

derating factor

if more than three current carrying conductors are installed in a single raceway

non habitable room

intended for mainly storage


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