1
In a residence when motors start to run slower and hotter is a sign of Voltage spike T/F
what is F ( voltage drop)
If the ambient temperature exceeds 86 F, the ampacity values must also be corrected according to the factor found in table 310.15 B 1 T/F
what is T
all nonlocking receptacles rated 125 volts - 250 volts are required to be listed as duplex receptacles T/F
What is False (tamper resistant)
At a minimum, 20 amp branch circuits are also required in dishwasher receptacles T/F
what is True
In most rooms of a dwelling unit a wall receptacles have to be 6 feet apart horizontally along the floor line T/F
What is True
In a hallway how many feet must you have a receptacle outlet on a wall by NEC
what is 10 feet
All receptacles located in the garage or accessory building located at grade level are required to be?
What is GFCI protected
A simple formula for calculating voltage drop on a single phase systems considers what resistance of the conductors and the ambient temperature?
What is DC resistance
NEC panels round off the metric results of conversions. however, electrical units are used universally. The same everywhere would be a ?
what is watt of power
Conductors must be protected against overcurrent by what rated not more than the ampacity of the conductors
what is Fuses, Circuit breakers
Open porches are Included in the floor area calculation of the square footage by who?
what is NEC
Receptacle outlets located in the floor more than how many inches from the wall are not to be counted as meeting the required number of wall receptacles outlets
What is 18 inches
The ampere rating of the branch circuit is determined by what in the branch circuit
What is overcurrent protective device
all nonlocking receptacles rated 125 volts- 250 volts that are located in wet locations are required to be listed as what?
what is weather resistant type
Ampacity value depends on the conductors what, whether the conductor is copper, copper clad aluminum or aluminum and the insulation
What is cross sectional area
The maximum overcurrent protection for 14 AWG copper conductor is
what is 15 amps
For branch circuits the recommended maximum voltage drop is ?
what is 3%
When both branch circuits and feeders are involved, the total voltage drop should not exceed ?
what is 5%
Connectors not marked AL or AL/CU are for use with what conductors only?
what is copper
in a master bath at minimum what is the required branch circuit?
what is 20 amps
what conductors oxidizes as soon as it is exposed to air
What is aluminum
The NEC tells us that the minimum unit load requirement for dwelling unit is
What is 3 VA per square ft
The NEC in table 210.24 shows that the minimum conductor size for branch circuit is
What is 14 AWG
Foyers that are not apart of a hallway and have an area greater than ? ft squared are required to have a receptacle located in each wall space 3 ft of more width
what is 60 ft squared
how can we fix a problem wit voltage drop in a residential dwelling by stepping up what
what is the wire AWG