Disconnecting means - Study guides, Class notes & Summaries

IEC Chapter final Exam 135 Questions with Verified Answers _____ lighting track is never permitted to be cut in the field. portable ______ allows a circuit or electrical system to be sized at less than its maximum connected load. diversity .0001 A= how many milliamps 100 0 C = how many degrees Fahrenheit 32 1.2 MV= how many volts 1,200,000 1" conduit costs $800 per 1000 foot bundle. The cost of one 10 foot stick is ____. 8 3 hours 20 minutes + 1 hour 48 minutes= 5 hours...

Michigan Journeyman test | 2023/24 questions and answers There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG - 4 Thermal insulation shall not be installed within _________inches of recessed lighting fixtures - 3 A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and on...

The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper Ampacities, Grounding 250.122(B) Table 250.122 Table 8 Ch 9 - ANSWER 4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 - ANSWER wire. Each multi-wire branch circuit shall be provided with...

PSI Journeyman Online Practice Test Questions with Certified Solutions A fitting is a part of a wiring system that is intended primarily to perform which type of function? mechanical When the disconnecting means of a transformer is located remotely it must be? lockable If installed and routed on the outside of a raceway, the length of the equipment bonding jumper shall not exceed how many feet? 6 feet What is an askarel? a group of nonflammable synthetic chlorinated hydrocarbons used as elec...

Practice test PSI/ 216 Qs with Certified Ans/ . Terms like: The service disconnecting means may be installed in all of the following EXCEPT - Answer: the bathroom. What is the minimum size EMT conduit required for three 14 AWG, six 12 AWG, and three 8 AWG conductors? All wires are THHN solid wire. - Answer: 1 inch

A fitting is a part of a wiring system that is intended primarily to perform which type of function? correct answersmechanical When the disconnecting means of a transformer is located remotely it must be? correct answerslockable If installed and routed on the outside of a raceway, the length of the equipment bonding jumper shall not exceed how many feet? correct answers6 feet What is an askarel? correct answersa group of nonflammable synthetic chlorinated hydrocarbons used as electrical...

A grounding electrode system is generally required for each building or structure served by a feeder - Answer-true Where a building or structure is supplied by an ungrounded system, the feeder from the ungrounded system must include an equipment grounding condcutor or supply-side bonding jumper with the conductors to the building disconnecting means, and it must be connected to the disconnecting means enclosure as well as the grounding electrode conductor - Answer-true NEC ____ provides th...

Electrician NCCER Exam Questions And Answers All Verified A+ Graded Which article of the NEC covers grounding? - ANS Article 250 What is a dropout plate? - ANS Metal plate with a curved surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: - ANS 372/575 3-Phase, 4-wire What does a GFCI breaker do? - ANS Opens a circuit to prevent operation of an electrical device What will happen when one or mo...

Journeyman Electrician Exam Questions and Answers 2023 Graded A+ For other than one-and two-family dwellings, when building a new electrical service, at least one (1) 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet shall be located within at LEAST _____ of the electrical service equipment? -ANS>> 50 feet The ampacity of a conductor is defined by the NEC to be the maximum current, in amperes, a conductor can carry continuously under the conditions of use without exce...

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. a. The load of higher resistance would overheat and probably be damaged. Circuits 7 and 9 share a neutral. This is a multiwire branch circuit. If Ckt. 7 is drawing 13 amps and ...