NEW
Font size
WorksheetsRESIDENTIAL ELECTRICAL
Total questions: 20
Worksheet time: 12mins
The _____ consists of the overhead service conductors between the last utility pole and the first point of attachment to the house.
SERVICE HEAD
SERVICE ENTRANCE
SERVICE DROP
SERVICE PANEL
Conductor size increases as the designation number gets larger.
TRUE
FALSE
An individual circuit is a type of branch circuit.
TRUE
FALSE
Which of the following statements about lighting circuits is true?
Building codes require a minimum of five watts of lighting power for each square foot of floor space.
Lighting circuits are frequently 14 AWG copper wire conductor.
Outlets for radios and televisions are connected to lighting circuits.
A good rule of thumb is to have one lighting circuit for each 800 square feet of floor space.
All receptacles installed in bathrooms and garages must have GFCI protection.
TRUE
FALSE
A(n) _____ switch allows a fixture to be turned on and off from two difference locations.
SINGLE POLE
DOUBLE POLE
DIMMER
THREE-WAY
Which of the following statements about low-voltage lighting is true?
It can be either decorative or hidden.
It is less expensive to install than 120-volt lighting.
It uses more energy than 12-volt lighting.
All of the above.
When using a tee design for low-voltage wiring, no more than 120 watts of lighting should be put on one leg of the tee.
TRUE
FALSE
Which of the following statements about low-voltage wiring is false?
A GFCI receptacle can be used as a power source.
Corrosion in lines reduces the brightness of lights.
The wires should be buried at least 8″ deep.
More than one transformer may be needed for a layout with several circuits.
Most electrical appliances are rated in what units?
OHMS
VOLTS
AMPS
WATTS
Where should service entrance equipment be located?
Away from the main breaker.
As close as possible to the point where the wires attach to the house.
Close to the area of lowest electricity usage.
None of the above.
Electric meters can be located either inside or outside the house.
TRUE
FALSE
Which of the following statements about switches is false?
Traffic patterns should be taken into consideration when selecting locations for switches.
A home usually requires several types of switches.
A thin hidden line or centerline is used to show the connection between a switch and the outlet or fixture it operates.
Straight lines should be used to connect switches and outlets.
Which of the following statements applies to all receptacle outlets?
They should be placed about 4' or 5' apart along the wall of all rooms.
They should be grounded or GFCI to prevent shock.
They are split-wired.
None of the above.
Which of the following alternatives to traditional lighting contains mercury?
Light-emitting diode (LED) lights.
Electron-stimulated luminescence (ESL) lights.
Compact fluorescent lightbulbs.
None of the above.
Which of the following types of lights is up to 70% more efficient than incandescent bulbs?
Light-emitting diode (LED) lights.
Electron-stimulated luminescence (ESL) lights.
Compact fluorescent lightbulbs.
Fluorescent lights.
The location of all telephone jacks should be shown on the electrical plan.
true
false
Which of the following is not necessary on an electrical plan?
The number of branch circuits required.
he type of branch circuits required.
Specification of the exact circuit for each outlet.
All of the above.
When manually drafting an electrical plan, start by tracing the _____ from the floor plan.
exterior walls
interior walls
major appliances
All of the above.
When drawing an electrical plan using CADD, specific notes should be placed on their own layer.
true
false
