The term ____________________ describes craftspeople who actually perform construction work, from the foreman to the individual tradesperson.
Fill in the blank(s) with the appropriate word(s).
labor
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If Single-Gang, Nail-on, nonmetallic boxes are used with NM cable, which of the following is true?
a. No connection to the box is required. b. A grounding clip connects the box to the cable. c. Electrical tape connects the box to the cable. d. A standard electrician’s staple connects the box to the cable.
The organization that establishes standardized testing for fire alarm designers and installers is the _____.
a. NFPA b. UL c. NICET d. NEMA
Silicon is widely used as a semiconductor because it _____.
a. has no valence electrons b. only has one valence electron c. has a negative charge d. withstands heat
Cutting a 2" (5 cm) aluminum plate requires a(n) _____
a. low gas flow rate b. high-cutting amperage c. low-cutting amperage d. oxygen/air plasma/shield gas combination