Question: Wire bundles are commonly secured using _____.

Answer: tie wraps

Question: The NEC requires that all grounding electrodes be _____.

Answer: bonded

Question: If it is necessary to oversize a motor to provide a wide speed range, it should not be increased by more than _____.

Answer: 1hp

Question: When installing hammer-driven pins and studs in soft concrete block, the drive pin or stud should be embedded in the concrete for at least _____.

Answer: 1 1/4” (32 mm)

Question: The maximum allowable spacing between horizontal wireway supports is _____.

Answer: 10’

Question: If a mercury thermostat seems out of adjustment, the first thing to do is ____.

Answer: check for accurate leveling

Question: A type of anchor that is a good choice when jacking and leveling the fastening component is a _____.

Answer: stud bolt anchor

Question: Which of the following types of cable is suitable for dry locations only?

Answer: Type NM

Question: Wire connectors marked only with the wire size should only be used on _____.

Answer: copper conductors

Question: A conventional thermostat should not be thrown into the regular trash because it _____.

Answer: may contain mercury