Master Electrician License Exam Questions and Answers 100% Accurate!

If the cover for an underground pull box used for circuits over 600v is not locked, bolted, or screwed into place, then it must weigh equal to - ANSWER-100 pounds The maximum total voltage droop on a branch circuit is - ANSWER-3% the floors of vaults in contact with the earth shall be of concrete that is not less then - ANSWER-6 inches thick according to the NEC bare live parts are guarded from the public in the following methods except - ANSWER-protected by fireproof curtain equipment associated with the electrical installation can be located above or below other electrical equipment within their working space when the associated equipment dose not extend more then - ANSWER-6inches when the code uses the words it means the identified actions are allowed but not required, and may be optional - ANSWER-shall be permitted a 120 volt 15-20 amp receptacle shall be located with in of air conditioning and refrigeration, heating systems - ANSWER-25 feet in the NEC the words . indicate a mandatory requirement - ANSWER-shall not or shall be permitted as per New York city code in addition to the number of circuits required in a dwelling unit an individual branch circuit shall be provided for each receptacle - ANSWER-air conditioner the dimensions of working space for access to live parts operating at 300 volts normally to ground where exposed to live parts on both sides of the workspace is - ANSWER-4 feet when leads are supplied with lampholders with lamp holders the conductor attached to the screw shell shall have a finish - ANSWER-white or gray how many receptacles are required within the perimeter of the balcony, deck or porch with the useable . area of 20 sq ft - ANSWER-one where conductors of different systems are installed in the same raceway, one system shall have a neutral having an outer covering of white or gray and each other system having a neutral shall have another covering of - ANSWER-white with a color stripe other than green outlets may be installed in a dwelling unit for specific appliance such as laundry equipment. the maximum distance between this outlet and appliance - ANSWER-6 feet on a 4 wire delta system where the midpoint of one phase winding is grounded only the conductor shall have a higher phase voltage to ground. the conductor shall be marked -