An electrical protection device is usually a(an) ________
A) Electrical load device
B) Fuse
C) Switch
D) Wire
B
You might also like to view...
A walk-in refrigerator with a model MT-150 condensing unit should use which evaporator?
a. MEV-100 b. MEV-120 c. MEV-140 d. MEV-160
No requirement specifies the depth of a box, unless a ____.
A. branch circuit is attached B. raceway enters the side of the box C. locknut is present D. raceway enters the back of the box
The quantity of combustible dust that may be present and the ____ are factors that merit consideration in determining the classification and may result in an unclassified area.
A. adequacy of dust removal systems B. potential for arcing C. chemical composition of the dust D. proximity of sprinkler systems
A waste-spark-type ignition system fires ________
A) One spark plug with forward polarity B) Two spark plugs at the same time C) One spark plug with reverse polarity D) All of the above