RSI Residential Wiring Exam Questions with Complete Solutions Latest Update
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RSI Residential Wiring
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RSI Residential Wiring
RSI Residential Wiring Exam Questions with Complete Solutions Latest Update
The _______ screws on an electrical outlet are used to connect the neutral to the device. - Answers Silver Screws
The voltage between L1 and L2 in a residential service is what? - Answers 240V
Once a wire is stripped an...
The _______ screws on an electrical outlet are used to connect the neutral to the device. - Answers
Silver Screws
The voltage between L1 and L2 in a residential service is what? - Answers 240V
Once a wire is stripped and shaped into a hook, in what direction is it placed on the terminal screw of a
device? - Answers Clockwise
A common name for non-metallic sheathed cable is? - Answers Romex
What are the three most common device symbols used in a residential electrical drawing? - Answers
Ceiling Light Outlet, Receptacle, and Switch
A neutral wire from the SEP connects to what color screws on a receptacle? - Answers Silver
What color is the line conductor in a 14-2 AWG, coming from the Service Entrance Panel? - Answers
Black
Neutral is what color in a non-metallic sheath cable? - Answers White
What happens in a series circuit to voltage and current? - Answers Current remains the same and
voltage divides
What color screws on a receptacle do you connect the black line wire to? - Answers Brass
What is another name for Ungrounded Conductor? - Answers Hot/Line
Wire nuts work with solid and _________________. - Answers Stranded Wires
What is the difference between a split receptacle and normal outlet? - Answers A split receptacle can be
controlled from a switch while remaining live.
What would the maximum ampacity of plug fuses be if the fuses had a hexagonal (six sided shape)
window on the fuse? - Answers 15 AMPs or less
On Romex cable marked 14/3 AWG, what do these numbers and letters mean? - Answers Size of wire
and number of conductors with ground
What are the three most common symbols found on a blueprint? - Answers Switch, Ceiling outlet and
Duplex Receptacle
When using aluminum wire instead of copper, a #12 AWG copper conductor would have to be replaced
with what size aluminum conductor? - Answers #10 AWG
What is the maximum number of #14 AWG wires in a 3"x2"x2" device box? - Answers 5
, What is the volume allowance for a #12 wire? - Answers 36.9 cm³ 2.25in³
How many #14 wires can you put in a 4"x1½ square metal box? - Answers 10
You have a box that has a volume of 22.5 cu in. How many wires can you have in that box? - Answers 11
A 3"x2"x2" device box has a volume of ________? - Answers 10cu in
Electrical wire size is expressed in _________? - Answers AWG
What is the rule of thumb for a neutral conductor? - Answers Neutral is always white, but white is not
always neutral.
What or who determines the circuit breaker size needed to protect a circuit? - Answers Wire Size
The current capacity of a conductor depends on two things. What are they? - Answers The size of the
wire and the material it is made of.
When using aluminum in place of copper in branch circuits, the aluminum conductors must be sized how
many trade sizes larger than copper conductors? - Answers One trade size larger
A safety device which automatically shuts off power in the event of an overload or short and can be
reset is called a what? - Answers Circuit Breaker
A home that measures 35'x48' would have how many square feet? - Answers 1680 square feet
In a 1680 square foot home, how many general purpose lighting circuits would be required? - Answers 3
A small appliance circuit is required to supply how many amps? - Answers 20 amps
What AWG wire size is required for a small appliance circuit? - Answers #12 AWG
A GFCI is required in a kitchen if the outlets are within ___ft of a _______. - Answers 6ft of a sink
a GFCI will trip on a current imbalance between what? - Answers the line and the neutral
How fast will a GFCI trip or "open" the circuit? - Answers 1/40th of a second
A 3"x2"x2¾" device box can have a maximum of_________? - Answers 6 #12 wires
What is 65% of 240volts? - Answers 156volts
When wiring a switch loop circuit, power enters what first? - Answers The Load
The NEC requires that you have a minimum of 2 small appliance circuits. What is the minimum load? -
Answers 3000 watts
What are the minimum copper wire and circuit breaker sizes allowed for a laundry room branch? -
Answers #12 AWG 20amps
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