VitalSource #1
In intervals of how many years is the NEC revised?
3
The general rule in 2023 NEC Article 406.12 is all nonlocking-type, 125- and 250-volt, 15- and 20- ampere receptacles are required to be listed as (blank) - (blank) for new installations in dwelling units.
Tamper-resistant
Generators 15-kW or smaller must have what?
GFCI protection for personnel
True or False: The total degree of bends for Electric Metallic Tubing shall not exceed 360° between pulling points.
True
True or False: Receptacle outlets are to be calculated at no less than 90 volt-amperes for each single or for each multiple receptacle on one yoke.
A device's primary function is to (blank) electric energy.
Control
What must be completely disconnected when a switching device is turned to the OFF position?
Ungrounded conductors
True or False: Overcurrent protective devices shall not be located in bathrooms.
True
Sign and outline lighting outlets shall be calculated at a minimum of how many volt-amperes?
1200
Per 2023 NEC Article 314.4, metal boxes shall be (blank) and (blank) .
Grounded and bonded
Inevitably, unused openings in electrical boxes will appear. Of the materials listed, which is recommended for use to close the unused openings?
Materials providing equivalent protection to the box wall
Cement
Sheetrock
Wood
Materials providing equivalent protection to the box wall
Should the ambient temperature in which 6 AWG copper conductors with THHN insulation are installed be 44°C, what would their corrected ampacities be?
65 A
Per 2023 NEC Article 210.52(A)(1), the maximum distance a receptacle outlet can be located from any point along a wall space in a dwelling unit is:
6 ft
Which standard ampere rated overcurrent protective device is permissible to be used should a circuit's load be 855A?
800 A
What is the general lighting demand load for a 8,500 ft2 bank?
11050 va
The minimum unit load for a dwelling is (blank) va/ft2.
3
How many receptacles are required for an attached garage with electric power?
One
What is a branch circuit?
Conductors between final OCPD and outlet box
What is the difference in locations permitted between Type SE cable and Type USE cable?
SE: In/on buildings, Not underground
USE: Underground, Not in/ on buildings
What is the demand factor (%) for 5 electric clothes dryers?
85%
How many 20-ampere lighting branch circuits will be required for a 3,950 ft.2 dwelling?
5
What is the maximum OCPD rating allowed for a 12 AWG copper-clad aluminum conductor?
15 A
True or False: 16 AWG Copper conductors may be protected by a 15-ampere rated overcurrent protection device.
False
DAILY DOUBLE:
A dwelling unit is 2,750ft2. It includes one laundry circuit, two small appliance circuits, one dryer circuit, and a range rated for 5kW. What is the demand load, using the optional method, of this dwelling?
14700 VA
You are tasked with installing two 12/3 NM cables, one 14/2 NM cable, and 3 devices in a metal box. Two of the devices are connected to the 12 AWG conductors and one device is connected to the 14 AWG conductors. What is the minimum volume required to house all of these materials?
32.75