The unit of light that is emitted from a light source is called a ___________________.
Fill in the blank(s) with the appropriate word(s).
lumen
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To minimize interference, communication cables are run as close to the ____ conductor as possible.
A. positive phase B. negative phase C. triplen D. neutral
The greatest difficulty with the ____ joint is that the filler metal can stick to the base metal's surface if it accidentally comes in contact with it as it is being fed into the molten weld pool.
A. butt B. square butt C. edge D. tee
With a three-wire control system, the motor would not re-start in the event of a power interruption.
Answer the following statement true (T) or false (F)
____ are permitted inside conduit bodies, if the manufacturer durably and legibly marked the cubic inch capacity on the conduit body.
A. Branches or taps B. Cables, cable sheaths or metallic sheathing C. Raceway openings D. Splices, taps, or devices