Exam 17: Industrial Locations

Conductors used in the secondary circuit of electric welders shall have ____.

Minimum ampacity of arc welder conductors supplying a group of welders shall be based on ____ as determined in 630.11(A).

Barriers are required in all service-entrance motor-control centers to ____ and terminals from the remainder of the motor-control center.

Cable tray systems should be ____.

For the 25-ft feeder tap rule, a ____ is the minimum size allowed if the overcurrent protection on the tap conductor's line side is 600 amperes.