True or False: a flush mounted box must be within 1/4" of the finished surface of a combustible wall.
False. Non-combustible.
A 20-amp branch circuit requires what AWG copper, ignoring voltage drop?
12AWG
How many inches from a plastic box must NM be stapled?
8"
What's the first thing you should do after cutting your conduit?
Ream it. Unless you're Gore, then you have to cut it again.
What is the trade name for NM-B?
Romex.
What is the minimum working space from the front of a residential panel?
30 inches.
Which NEC table is used for box fill calculations?
314.16(A)
What does IMC stand for?
Intermediate Metal Conduit
This color is typically used as the grounded conductor is residential wiring.
White.
If you have watts and amps, how do you get voltage?
P / I = E
What does T8 represent for a fluorescent lamp?
Diameter.
Define ampacity.
Ampacity is the maximum electric current, measured in amperes (A), that a conductor (wire or cable) can continuously carry without exceeding its safe temperature rating.
What AWG wire is necessary for a 30A circuit, disregarding voltage drop?
10AWG
What is voltage?
The difference of potential between two points in a circuit.
What number must you call before you dig?
811
What is the minimum number of 20-amp branch circuits required for a dwelling unit?
4
This NEC article governs the installation of branch circuits in dwelling units.
Article 210
What does a GFCI protect?
The user.
What does a circuit breaker protect?
The circuit.
What does UL stand for?
Underwriters Laboratories.
A light above a work bench is an example of what type of lighting?
Task Lighting
What code article refers to securing and supporting EMT?
Article 358.30
What does a utility transformer do?
Reduces high voltage to a usable voltage for the home.
What code article refers to reidentifying wires?
200.7(C)
What is impedance?
Total opposition to current flow.