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NFPA 70 National Electrical Code (NEC) – Complete Exam Questions and Answers for Certification Exam Preparation

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This document contains NFPA 70 National Electrical Code (NEC) exam questions with fully solved answers, covering the core code requirements and electrical principles commonly assessed in licensing and certification examinations. It includes practice questions on wiring methods, grounding and bonding, branch circuits, feeders, conductor sizing, overcurrent protection, service equipment, electrical installations, and code compliance, making it an excellent resource for exam preparation, revision, and self-assessment. The material is designed to help learners reinforce essential NEC concepts and strengthen their understanding of current National Electrical Code requirements.

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NFPA 70




NFPA 70 EXAM QUESTIONS AND ANSWERS % GUARANTEED
SUCCESS.
NFPA 70E requires the employer to implement and document a _____ program.
Answer > Electrical Safety


Article ____ covers safety related maintenance requirements for fuses and circuit
breakers. Answer > 225


Article ____ outlines what is covered and not covered by NFPA 70E. Answer > 90


NFPA 70E requires that emergency response training be documented T/F Answer
>T


The scope of article 100 indicates that each term or phrase used within NFPA 70E
is defined in Article 100 when it's definition is not likely to be well understood. T/F
Answer > T


Unqualified persons must be trained in any safety-related work practices
necessary for their safety, and this training must be documented and on file for
the duration of their employment T/F Answer > T


The host employer is required to provide the contract employer with the
information about the installation necessary to make the assessments required by
chapter 1 of NFPA 70E T/F Answer > T

, NFPA 70


The title of UL 61010-1 is "Safety Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use, Part 1: General Requirements, for
rating, overvoltage, category, and design requirements for voltage measurement
and test instruments intended for use on electrical systems 1000v and below" T/F
Answer > T


Article ____ contains the provisions related to work involving electrical hazards.
Answer > 130


The title of informative annex J is _____? Answer > Energized electrical work
permit


The overcurrent protection devices used in panelboards are either _____ or
_____. Answer > Molded Case Circuit Breakers/Fuses


The maximum ampere rating at which panelboards are available is ________.
Answer > 1200A


Which is NOT one of the 3 common types of circuit breakers that are used in low-
voltage electrical distribution systems for protection of services, feeders, or
branch circuits? Answer > Supplementary protector


What type of circuit breaker has a mechanical over the center on/off toggle
handle? Answer > Molded Case Circuit Breaker


What types(s) of circuit breaker has a mechanically operated and electrically
operated 2 step stored energy process to operate the on/off function via push
buttons? Answer > Molded Case Circuit Breakers/Insulated Case Circuit Breakers

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