Underground service conductors can be as small as ______ for limited load applications:

Vertical clearance of overhead service conductors  ______ shall be maintained over public streets, alleys and parking areas subjected to truck traffic:

Neutral conductors _____ and smaller must be identified by a continuous gray outer finish:

Lamholders connected to a branch circuits rated over ______ must be of heavy-duty:

If the assembly and the overcurrent devices are both listed for operation at 100% of their rating, the branch circuit overcurrent device can be sized at ______ of the continuous load:

A disconnecting means is required at poles that supports luminaires:

A maximum of _____ disconnect switches or circuit breakers shall be mounted in a single enclosure:

Overhead conductors spans must maintain vertical clearance of _____ over public streets, alleys, roads subject to truck traffic:

IMC must be fastened within _____ of each outlet box, junction box, device box, cabinet, conduit body or other conduit termination:

If installed vertically, metal raceways must be securely supported at intervals not exceeding _____, with no more than one joint between supports:

EMT must not be used in cinder concrete or cinder fill where subject to permanent moisture, unless encased in not less than ____ of concrete:

The _____ rating is the current in amperes the motor draws producing its rated horse-power load at its rated voltage, based on its efficiency and power factor:

Track lighting must not be installed less than ____ above the finished floor, except where protected from physical damage or where the track operates below 30V open circuit:

Alternating Current general use snap switches can control Tungsten filament lamp loads not exceeding the ampere rating of the switch at _____:

In industrial establishments where the conditions of maintenance and supervision ensure that only qualified persons will service the installation, flexible cords or flexible cables not exceeding _____ can be installed in aboveground raceways: