A __________ is defined by the NEC® as a complete lighting unit consisting of a lamp or lamps together with the parts designed to distribute the light, to position and protect the lamps and ballast, and to connect the lamps to the power supply.
a. fixture
b. sconce
c. luminaire
d. lamp holder
c. luminaire
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Seam welds can be made by producing a series of overlapping ____ or be one continuous resistance weld.
A. groove welds B. plug welds C. butt welds D. spot welds
Explain how international technical standards are implemented in the engineering and construction industry
What will be an ideal response?
When a zone thermostat fan control switch is moved from Auto to On, what should happen?
a. All system dampers open and the blower starts. b. The zone damper for each zone set to On opens and the blower starts. c. The zone damper for that zone closes, all the others open, and the blower starts. d. The zone damper remains open at all times, regardless of the system operating conditions.
The purpose of the token in token ring topology is to ensure that the network is fully utilized while reducing the possibility of contention between workstations
Indicate whether the statement is true or false