Low Voltage Final
True
A 12 AWG branch circuit can be protected by a 15-ampere fuse or circuit breaker.
Single-pole
A 120 volt branch circuit of feeder circuit supplying a dishwasher will require a ____________ circuit breaker.
Double-pole
A 240 volt electric water heater branch circuit or feeder circuit will require a __________ circuit breaker.
Month
A GFCI circuit breaker should be tested at least once a ________.
SWD or HID
A circuit breaker used to switch fluorescent lighting must be listed and have ____________ marked on it.
Series
A circuit that has only one path for current flow is a ______ circuit.
Arc fault circuit interrupter
A device intended to provide protection from the effects of arc faults is called a(n) __________ circuit breaker.
Fuse
A device that is designed to open and disconnect a circuit in the event of excessive current is a ______.
Edison base
A fuse type that uses the same standard screw base as an ordinary light bulb and where the different fuse sizes are interchangeable with each other is called a(n) ____________ fuse.
All of the above
A method for finding total resistance of parallel resistors is ______.
True
A single pole circuit breaker has one stab contact and a two-pole circuit breaker has two stab contacts.
False
A standard network interface box is used when the telephone company terminates their wiring outside the house.
Divider
A voltage ______ is used to provide different voltages between certain points in a circuit.
Type S
A(n) _________ fuse uses different fuse bases for each size fuse and an adapter that matches each fuse size is required.
Cartridge
A(n) __________ fuse is enclosed in an insulating tube that confines the arc when the fuse blows and is available in either a ferrule or blade style.
125
All plug fuses are limited to circuits where the voltage between conductors does not exceed ___________ volts. (General Rule)
False
An RJ-45 is a popular six position UTP connector.
True
An STP cable resembles a UTP cable but has a foil shield over the wire pairs and offers more electromagnetic interference protection than UTP in a voice or data installation.
False
Because many people use a cell phone as their main telephone communication device, and do not have a traditional telephone service installed in their home, it is no longer required that a communications outlet be installed in each new home.
Ferrule, blade
Cartridge fuses are available in both a __________ type and a __________ type.
False
Circuit breakers are always interchangeable with different manufacturer's panel boards.
Parallel
Circuits that have more than one path for current flow are ______ circuits.
True
Each voice and data outlet location should have a separate homerun back to the the service center.
False
Four-wire Quad Wire is highly recommended for residential telephone installations.
Sum
In a parallel circuit, the total current flow is equal to the ______ of the currents through all the branches.
Less than the lowest
In a parallel circuit, the total resistance is _________ value resistor.
True
In residential wiring all 120 volt, 15 and 20 amp branch circuits supplying outlets in family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways or similar rooms must be protected by a combination type AFCI.
20
In residential wiring, a 12 AWG copper conductor is protected by a ____________-ampere or lower OCPD.
None of the above
NEC Article _______________ provides many installation requirements for over current protection devices.
310.15(B)(16)
NEC Table _________ lists the ampacity of conductors used in residential wiring.
30
On a 240-volt residential branch circuit or feeder circuit with 10 AWG conductors, a maximum of a _____________-ampere overcurrent protection device must be used.
True
Overcurrent protection devices must be readily accessible.
False
The NEC permits over current protection devices to be located in bathrooms.
Voltage drop
The amount of ______ across a resistor is proportional to its resistance.
Blue
The color coding for a 15 amp Type S plug fuse adapter is ________.
Green
The color coding for a 30 amp Type S plug fuse is _________.
Ohm's
The current, voltage, power, and resistance in a series circuit can be found by using ______ law.
300,000
The interrupting rating of the fuses can be as high as _________ amperes.
Current
The term "load" refers to the amount of ______in a circuit branch.
Sum
The total amount of resistance to current flow in a series circuit is equal to the ______ of the resistance in that circuit.
All of the above
Type S fuses are classified at ___________ amperes.
Current
When a circuit has only one path, the _______ is the same at any point.
1/2"
When installing an ungrounded conductor in a circuit breaker, approximately _________ of insulation is stripped from the end of the conductor.
Open circuit
Which of the following will not cause an over current condition?
Voltage
______ is the force that pushed the electrons through a resistance.
