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Voice Data Video (VDV) Practice Test (Help Prepare for the VDV) Questions and Answers 100% CorrectVoice Data Video (VDV) Practice Test (Help Prepare for the VDV) Questions and Answers 100% CorrectVoice Data Video (VDV) Practice Test (Help Prepare for the VDV) Questions and Answers 100% CorrectVoice Data Video (VDV) Practice Test (Help Prepare for the VDV) Questions and Answers 100% Correct The cable voltage ratings on communications wires and cables ____________ be marked on the cable or on t...

Voice Data Video (VDV) Practice Test Questions with Correct Answers The cable voltage ratings on communications wires and cables ____________ be marked on the cable or on the under carpet communications wire. a. must b. must not c. shall d. shall not - Correct Answer d. shall not REF: [NEC] 800.179 What is the smallest size grounding conductor that can be used for a CATV system? a. 18 AWG b. 14 AWG c. 12 AWG d. 6 AWG - Correct Answer b. 14 AWG REF: [NEC] 820.100(A)(3) Wh...

CWEA E/I Level 3 Questions and Answers 100% CorrectCWEA E/I Level 3 Questions and Answers 100% Correct If the potential difference across the coil is low, the coil will: A-draw too much current B-become too hot C-Produce too much magnetic force D-not heat up - ANSWER-D-not heat up The NEC identifies environments that contain flammable vapors and gases as which class of hazardous location? A-Class I B-Class II C-Class III D-Class IV - ANSWER-A-Class I Which of the following reduce...

NEC Commercial Electrical Test -1 2024

NEC Master practice test- solved

NETA level II exam questions & answers 2023 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 ...

NCCER Electrical Set Test Questions And Verified Correct Answers A 3-phase, 4-wire, 480v service requires ______ current transformer(s) - ANSWER : 3 Services conductors and equipment are covered in - ANSWER : NEC Article 230 The NEC required that all receptacles installed on 25 amp and 20 amp branch circuits be ______ receptacles - ANSWER : Grounding A transformer with the primary of 400 turns and a secondary of 300 turns has a _____ - ANSWER : Step-down turns ratio of 4:3 T...

When testing a water level supervisory switch serving a pressure tank a signal shall indicate if the water level _____________from the required level (NFPA 72, Table 14.4.3.2 17 (j) (4) - rises or falls over 3 inches If combination audible/visible appliances are installed the location of the installed appliance shall be determined by the requirements of _______. (Nfpa 72 18.4.8.1) - the visible appliance What is the maximum number of 12 gauge THHN wires that can be installed in 1...