Electrician Practice Tests

What is the maximum ampere rating of a power supply feeder of mobile homes?

Whether by receptacle or direct connection the outlets supplying pool pump motors shall be provided with …………………………………… protection.

To use as parallel feeder or service what is the minimum size of the conductor?

What is the maximum voltage rating of a plug fuse?

What is the minimum height of service drop at the electrical entrance of the building?

Which of the following way the ammeter is connected in a circuit?

The primary of transformer draws 5 amperes at 480 volts. The voltmeter reading at secondary is 240 volts. What is its ammeter reading at secondary?

As per NEC central heating equipment can be supplied by a multi-wire branch circuit?

How many minimum number of 20-ampere branch circuits are required for dwelling unit countertop receptacles?

A lighting unit is connected on a 20 ampere branch circuit on which a fastened-in place appliance is located. What is the maximum percentage branch circuit rating is permitted on the appliance?