Grounded conductors - Study guides, Class notes & Summaries

Unused openings in equipment shall be closed To afford protection equivalent to the wall of the equipment With flame resistant tape With metallic or non metallic materials .004 inches in thickness With metal 1/8 inch in thickness correct answersTo afford protection equivalent to the wall of the equipment The interior of raceways installed underground shall be considered to be locations Dry Damp Wet Moist correct answersWet Parallel conductors comprising each phase, polari...

The following questions are based on the 2020 edition of the National Electrical Code® and are typical of questions that may be encountered on most Master Electricians’ licensing exams. Select the best answer from the choices given and review your answers with the answer key. 1. What MINIMUM size ungrounded (phase) THWN copper service-entrance conductors are required for a 208Y/120-volt, 72,000 VA 3-phase commercial service? a. 250 kcmil b. 2/0 AWG c. 3/0 AWG d. 4/0 AWG 2. E...

MASTER ELECTRICIAN TEST 211 LATEST 2023 GRADED A Given: Two separate Services are identical in voltage and amperage, except that one service serves only motor - loads and the other serves lighting loads only. in the event of a short circuit in these services, the available short circuit current will be: A) The same in either service B) Higher in the motor-load service C) Higher in the lighting -load service D) 25% greater in the service for the motor load The same in either service (gener...

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...

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...

There are six conductors in a raceway connected to 75° rated breakers. Each wire has a 70-amp load using THHN conductors. The minimum size conductor used are #__________ AWG. a. 4 b. 6 c. 8 d. 10 - ANSWERa Thermal insulation shall not be installed within __________ inch(es) of recessed fixtures. a. 1⁄2 b. 3⁄4 c. 2 d. 3 - ANSWERd A 1-inch conduit contains three 3-wire circuits. All conductors are #10 TW. Each circuit consist of two phase conductors, one grounded conductor, an...

Internachi Florida State Exam prep Questions With Complete Solutions. The typical electrical service for homes in North America is a_____? 120240 Volt The 240 Volt circuit is used for? Appliances The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to the electric panel Zero Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current 15, 20 Most ___ Buildings are supplied with 120240 Volt services. This means that the cable assembly is made u...

1.- Nonshielded conductors over 700 V shall be __________ - ️️GROUNDED 2.- What is the minimum distance that is allowed between switchgear and an outdoor oil storage tank? - ️️10 Feet. 3.- What is the minimum vertical separation on a Pole between the supply cable and the lowest communication attachment. - ️️16 Inches 4.- The vertical clearance for insulated communication conductors above or crossing Railroads tracks shall be __________feet. - ️️23.5 Feet 5.- Minimum clearance...

The typical electrical service for homes in North America is a_____? CORRECT ANSWER 120240 Volt The 240 Volt circuit is used for? CORRECT ANSWER Appliances The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to the electric panel CORRECT ANSWER Zero Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current CORRECT ANSWER 15, 20 Most ___ Buildings are supplied with 120240 Volt services. This means that the cable assembly is made up of ___ ...

Army Electrical Explosives Safety (Ammo-28) Exam with 100% Correct Answers 2023 Which two publications provide detailed information on lightning protection systems? - Correct answer-DA PAM 385-64 NFPA 780 Which statements about lightning protection are true?Select all that apply. - Correct answer-Lightning can detonate munitions and explosives. Lightning seeks the path of least resistance to ground. Lightning cannot be stopped or prevented. Which statement is true about a mast LPS? - C...