NM CID EL-1 Practice Questions - New Mexico CID EL-1 Electrical Distribution Systems, Including Transmission Lines Examination Exam - NM CID EL-1 Practice Questions - New Mexico CID EL-1 Electrical Distribution Systems, Including Transmission Lines Examination Exam

Question 1

Which set of references is allowed into the New Mexico CID EL-1 open-book examination?

NEC 2020, NMAC 14.10.4 (2020), and the American Electricians' Handbook NEC 2020, NMAC 14.10.4 (2020), and NESC 2007 NESC 2007 and the Lineman's and Cableman's Handbook only NEC 2023 and NESC 2023 only

Correct Answer:

NEC 2020, NMAC 14.10.4 (2020), and NESC 2007

Question 2

Under NMAC 14.10.4, equipment used on circuits over 600 volts that has exposed parts must be marked with which wording?

CAUTION — 480 VOLTS WARNING — MEDIUM VOLTAGE DANGER - HIGH VOLTAGE - KEEP OUT NOTICE — QUALIFIED PERSONS ONLY

Correct Answer:

DANGER - HIGH VOLTAGE - KEEP OUT

Question 3

Where a service mast supports service-drop conductors in New Mexico, NMAC 14.10.4 requires the mast to be at least:

1/2 inch EMT or any listed raceway 3/4 inch PVC Schedule 40 1 inch intermediate metal conduit 2 inch rigid metal conduit, intermediate metal conduit, or a mast that complies with the serving utility

Correct Answer:

2 inch rigid metal conduit, intermediate metal conduit, or a mast that complies with the serving utility

Question 4

For a customer-owned underground service lateral in New Mexico, NMAC 14.10.4 limits voltage drop on those conductors to a maximum of:

2 percent, based on transformer nameplate current 3 percent, based on the service-disconnect rating 5 percent, based on the calculated demand load of the building or structure served 8 percent, based on the utility's available fault current

Correct Answer:

5 percent, based on the calculated demand load of the building or structure served

Question 5

A 480Y/277 V switchboard has exposed live parts on one side of the working space and a grounded metal wall on the other (Condition 2). What is the minimum depth of working space required by NEC 2020 Table 110.26(A)(1)?

3 feet 3 feet 6 inches 4 feet 5 feet

Correct Answer:

3 feet 6 inches

Question 1 of 100

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About this Exam

Prepare with the NM CID EL-1 Practice Questions - New Mexico CID EL-1 Electrical Distribution Systems, Including Transmission Lines Examination Exam practice quiz. This question bank includes 100 questions covering primary, conductors, distribution, transformer, and secondary. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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NM CID EL-1 Practice Questions - New Mexico CID EL-1 Electrical Distribution Systems, Including Transmission Lines Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on primary, conductors, distribution, transformer, and secondary. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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NM CID EL-1 Practice Questions - New Mexico CID EL-1 Electrical Distribution Systems, Including Transmission Lines Examination Exam

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