Electrical chapter 13
(True or False) The white wire used in a switch loop wired with a two wire cable like type NM must be re-identified this is normally done with black tape
True
(True or False) There is no need to connect a white insulated grounded conductor to any single pole double pole three-way or four way switch in a residential switching circuit
True
(True or False) When a white wire is used as a traveler conductor for three-way and four-way switching, is is required to be re-identified as an ungrounded conductor
True
which of the following are the ame as gerneral use snap switches
all of the above
when wiring a house with a cable wiring method a________________ insulated wire cannot be used in a switch loop switching arrangement
all of the above can be used
four way switches must be placed ________________ in the circuit
between the three way switches
when installing a receptacle so that one half is controlled a switch and the other half is hot all the time the switch controlled half should be located on the_________ of the receptacle
bottom
_____________switch devices consist off two switches on one yoke or strap
combination
a switch type that raises or lowers the lap brightness of a lighting fixture is a _______________ switch
dimer
which of the following switches tend to generate the most heat
dimmer switches
an________________ switch is used to control a 240 volt load such as a water heater in a residential wiring system
double pole
(True or False) like a four way switch a double pole switch has four terminal screws and the toggle has on and off written on it
false
A/an _____________ is a device that detects when a person has entered a room and switches on the room lighting;
occupancy sensor
Three way switches are always installed in _____________
pairs
The most common switch used in residential wiring is the ___________switch
single pole
a switching arrangement where the feed is brought to the lighting outlet first and a two wire cable is run from the lighting outlets to the switch is called an ________________
switch loop
_____________ switches are used to control one or more lighting loads for two or more locations
three way
four way switches are always installed between two ___________ switches
three way
when installing a ceiling suspended paddle fan with alighting kit and you want to have separate control of the fan and light a ____________ must be run from the switching location to the paddle fan
three-wire cable
A/an____________is a device that controls the flow of electricity on a circuit for a certain amount of time
timer
The brass-colored terminals on a three-way switch are called the ___________ terminals
travelers
(True or False) A permanent black marker can be used to re-identify a white insulated conductor as a hot conductor in a cable
true
(True or False) Dimmer switches are available in single pole three way and four way models
true
(True or False) Like single-pole switches, dimmer switches always come from the factory with screw terminals
true
(True or False) Motor loads not exceeding 80% of the ampere rating of the switch at its rated voltage are permitted to be controlled by alternating current general use snap switches
true
(True or False) When re-identifying a white insulated conductor as a hot ungrounded conductor the identifying mark must completely encircle the conductor
true
(True or False) a double pole switch can be used to control tow 120-volt circuits
true
To control a lighting outlet from four locations a circuit requires______________
two three way switches and two four way switches
The national electrical code requires that all switching be done in the________________ circuit conductor
ungrounded
when wiring a house with a conduit wiring method a ___________ insulated wire cannot be used in a switch loop as a hot conductor
white (re-identified)
the number of conductors required to be installed between three-way and four-way switches is ____________
3
(True or False) If the circuit grounding conductor is connected to the green grounding terminal on the switch there is no need to ground the metal device box in which the switch is installed
False
(True or False) Switch loops are not permitted in three way switch circuits
False
(True or False) When wiring a house using conduit the NEC permits a white insulated conductor to be used as a hot conductor in a switch loop as long as it is re-identified
False
The black colored common terminal on a three way switch should always have a__________ connected to it
black
(True or False)Switches installed in metal boxes are considered grounded as long as the metal strap of the switch is touching the metal box after installation
true