Disconnecting means - Study guides, Class notes & Summaries

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 ...

To which size breaker should a 14 AWG copper wire go to? 15 amp What is an approved disconnecting means for an air conditioner condensing units and heat pump units? A disconnect switch located within sight of the unit How many amps are required for electrocution to occur? 1 amp ____ ft is the minimum distance for a gfci protected outlet from a swimming pool 6 ft To which size breaker should a 12 AWG aluminum wire go to? 15 amp

What is the preferred method of performing primary-injection testing on a low voltage circuit breaker with ground fault protection? Use of the manufacturer's test kit or rewiring the neutral CT input is the preferred method of primary-injection testing on a low voltage circuit breaker with ground fault protection, otherwise two poles can be connected in series to provide balanced secondary currents to the trip unit. At what current level does ventricular fibrillation occur? -60 to 10...

NETA ETT Certified Level 3 Questions and Answers Graded A+ A newly installed 4160V emergency generator has an insulation resistance value of 150 Megohms after one minute with an equipment temperature of 32 degrees C. Is this value acceptable per NETA standards? No NETA ATS-2017 Table 100.11 Know the NETA-ATS Insulation Resistance tables Which test method measures Hydrolyzable Flouride content in SF6 gas? ASTM D2284 [Standard Test Method for Acidity of Sulfur Hexafluoride] ...

PSI Journeyman Online Practice Test 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 electrical insulatin...

Journeyman Electrician UPDATED Exam Questions and CORRECT Answers A fitting is a part of a wiring system that is intended primarily to perform which type of function? - CORRECT ANSWER- mechanical When the disconnecting means of a transformer is located remotely it must be? - CORRECT ANSWER- lockable If installed and routed on the outside of a raceway, the length of the equipment bonding jumper shall not exceed how many feet? - CORRECT ANSWER- 6 feet

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 Overcurrent protection for feeders branch circuits supplying electric vehicle supply equipment shall be sized for continuous duty and shall have a rating of not less than what percentage of the maximum load of the electric vehicle supply eq...

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

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 CORRECT ANSWER 4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 CORRECT ANSWER wire. Each multi-wire branch circuit shall be p...

PSI Journeyman Online Practice Test With Solutions 100% Solved Where the negative polarity of a dc system does not serve as the connection point for the grounded conductor, which color finish can be used to identify the negative ungrounded conductor? black Where a feeder supplies continuous loads or any combination of continuous and noncontinuous loads, the minimum feeder conductor size shall have an allowable ampacity not less than the noncontinuous load plus what percentage of the ...