If a motor is connected by means of an attachment plug to a branch circuit that has no overload protection, the rating of the plug shall not exceed _____.
An overhead 240 V span of an open conductor shall have a min…
An overhead 240 V span of an open conductor shall have a minimum diagonal clearance of____’ from a chimney.
The rating of any one piece of cord-and-plug-connected utili…
The rating of any one piece of cord-and-plug-connected utilization equipment shall not exceed _% of the branch-circuit rating.
______ is not required on a motor nameplate.
______ is not required on a motor nameplate.
Circuit breakers used to switch 277 V fluorescent lighting s…
Circuit breakers used to switch 277 V fluorescent lighting shall be marked____.
Where conduit is threaded in the field, the cutting die shou…
Where conduit is threaded in the field, the cutting die should provide_____” taper per foot.
In general, busways shall be supported at intervals not exce…
In general, busways shall be supported at intervals not exceeding_____’.
____ means constructed so that exposure to weather such as r…
____ means constructed so that exposure to weather such as rain will not interfere with successful operation of the apparatus under specified test conditions.
The _____ conductor shall be connected to the screw shell.
The _____ conductor shall be connected to the screw shell.
Two balanced 120/240 V, l, 3-wire branch circuits are instal…
Two balanced 120/240 V, l, 3-wire branch circuits are installed in ½” conduit. The circuit conductors are 12 AWG THW Cu. The ampacity of the ungroundedconductors is _____ A.