!!
!!
5/1 NFPA70E Final Study Set Exam
!! !! !! !! !!
with Correct and Verified Answers
!! !! !! !! !!
!!
2025 !! !!
!!
!!
!!
NFPA !!70E, !!Standard !!for !!Electrical !!Safety !!in !!the !!Workplace, !!consists !!of !!? !!chapters;
!!17 !!informative !!annexes; !!the !!Foreword !!to !!NFPA !!70E; !!and !!Article !!90, !!Introduction.
!!Chapter !!1 !!is !!divided !!into !!? !!articles. !!- !!CORRECT !!ANSWER-3/5 !!
!!
The !!appointment !!of !!the !!NFPA !!70E !!Committee !!was !!announced !!on !!January !!7, !!?
!!, !!and !!
!!
was !!formed !!to !!assist !!? !!in !!preparing !!electrical !!safety !!standards !!that !!would
!!serve !!its
!!
requirements. !!- !!CORRECT !!ANSWER-
1976/OSHA
!!
The !!1995 !!edition !!of !!NFPA !!70E !!included !!the !!concepts !!of !!? !!and !!the !!establishment
!!of !!an !!arc. !!The !!2000 !!edition !!continued !!to !!focus !!on !!establishment !!of !!flash !!protection
!!boundaries, !!the !!use !!of !!personal !!protective !!equipment, !!and !!? !!to !!assist !!the !!user !!in
!!applying !!appropriate !!protective !!clothing !!and !!personal !!protective !!equipment !!for
!!common !!tasks. !!- !!CORRECT !!ANSWER-Limits !!of !!Approach/Charts !!
!!
The !!2004 !!edition !!of !!NFPA !!70E !!introduced !!the !!requirements !!of !!? !!. !!The !!2018 !!edition
!!? !!all !!
!!
previous !!editions. !!- !!CORRECT !!ANSWER-The !!energized !!electrical !!work
!!permit !!/
!!
supersedes
!!
NFPA !!70E !!Chapter !!1 !!applies !!generally !!to !!electrical !!safety !!in !!the !!workplace.
!!Chapter !!2 !!addresses !!safety-related !!? !!requirements. !!Chapter !!3 !!? !!Chapter !!1 !!with
!!safety !!requirements !!for !!special !!equipment. !!- !!CORRECT !!ANSWER-maintenance !!/
!!supplements !!or !!modifies !!
!!
Explanatory !!material !!is !!included !!in !!the !!form !!of !!informational !!notes, !!which !!are !!not
!!enforceable !!as !!requirements. !!Brackets !!containing !!section !!references !!to !!another
!!NFPA !!document !!are !!for !!informational !!purposes !!only !!and !!are !!provided !!as !!a !!guide
!!to !!indicate !!the !!source !!of !!the !!extracted !!text. !!- !!CORRECT !!ANSWER-True !!
!!
An !!arc !!flash !!hazard !!is !!defined !!in !!Article !!100 !!as !!a !!source !!of !!possible !!injury !!or
!!damage !!to !!health !!associated !!with !!the !!release !!of !!energy !!caused !!by !!an !!electric !!arc.
!!Informational !!Note !!No. !!1 !!indicates !!that !!the !!likelihood !!of !!occurrence !!of !!an !!arc !!flash
,!!incident !!increases !!when !!energized !!electrical !!conductors !!or !!circuit !!parts !!are
!!exposed !!or !!when !!they !!are !!within !!equipment !!in !!a(n) !!? !!condition, !!provided !!a !!person
!!is !!interacting !!with !!the !!equipment !!in !!such !!a !!manner !!that !!could !!cause !!an !!electric
!!arc. !!An !!arc !!flash !!incident !!is !!not !!likely !!to !!occur !!under !!normal !!operating !!conditions
!!when !!enclosed !!energized !!equipment !!has !!been !!properly !!installed !!and !!? !!-
!!CORRECT !!ANSWER-guarded !!or !!enclosed !!/ !!maintained !!
!!
Arc !!rating !!is !!defined !!in !!Article !!100, !!in !!part, !!as !!the !!value !!attributed !!to !!materials !!that
!!describes !!their !!performance !!with !!exposure !!to !!an !!electrical !!arc !!discharge !!and !!is
!!expressed !!? !!. !!Informational !!Note !!No. !!1 !!states, !!in !!part, !!that !!arc-rated !!clothing !!or
!!equipment !!has !!been !!tested !!for !!exposure !!to !!an !!electric !!arc !!and !!that !!flame-resistant
!!(FR) !!clothing !!without !!an !!arc !!rating !!? !!been !!tested !!for !!exposure !!to !!an !!electric !!arc !!-
!!CORRECT !!ANSWER-in !!cal/cm2 !!/ !!has !!not !!
!!
ATPV !!is !!defined !!in !!ASTM !!F1959/F1959M !!as !!the !!incident !!energy !!(cal/cm2) !!on !!a
!!material !!or !!a !!multilayer !!system !!of !!materials !!that !!results !!in !!a !!? !!probability !!that
!!sufficient !!heat !!transfer !!through !!the !!tested !!specimen !!is !!predicted !!to !!cause !!the
!!onset !!of !!a !!second !!degree !!skin !!burn !!injury !!based !!on !!the !!Stoll !!curve. !!EBT !!is
!!defined !!in !!ASTM !!F !!1959-06 !!as !!the !!incident !!energy !!(cal/cm2) !!on !!a !!material !!or !!a
!!material !!system !!that !!results !!in !!a !!? !!
probability !!of !!break !!open. !!- !!CORRECT !!ANSWER-50% !!/ !!50% !!
!!
The !!Informational !!Note !!to !!the !!definition !!of !!arc !!flash !!boundary !!states !!that, !!according
!!to !!the !!Stoll !!skin !!burn !!injury !!model, !!the !!onset !!of !!a !!second !!degree !!burn !!on
!!unprotected !!skin !!is !!likely !!to !!occur !!at !!an !!exposure !!of !!? !!for !!one !!second. !!-
!!CORRECT !!ANSWER-1.2 !!cal/cm2 !!
!!
An !!approach !!limit !!at !!a !!distance !!from !!an !!exposed !!energized !!electrical !!conductor !!or
!!circuit !!part !!within !!which !!a !!shock !!hazard !!exists !!- !!CORRECT !!ANSWER-Limited
!!Approach !!Boundary !!
!!
An !!approach !!limit !!at !!a !!distance !!from !!an !!exposed !!energized !!electrical !!conductor !!or
!!circuit !!part !!within !!which !!there !!is !!an !!increased !!likelihood !!of !!electric !!shock, !!due !!to
!!electrical !!arc-over !!combined !!with !!inadvertent !!movement !!- !!CORRECT
!!ANSWERRestricted !!Approach !!Boundary !!
!!
When !!an !!arc !!flash !!hazard !!exists, !!an !!approach !!limit !!from !!an !!arc !!source !!at !!which
!!incident !!
!!
energy !!equals !!1.2 !!cal/cm2 !!(5 !!J/cm2) !!- !!CORRECT !!ANSWER-Arc-Flash
!!Boundary
!!
An !!electrical !!hazard !!is !!defined !!as !!a !!dangerous !!condition !!such !!that !!contact !!or
!!? !!can !!
result !!in !!electric !!shock, !!arc !!flash !!burn, !!thermal !!burn, !!or !!? !!. !!- !!CORRECT
!!ANSWER-
!!
equipment !!failure !!/ !!arc !!blast
!!injury
!!
, Incident !!energy !!is !!defined !!as !!the !!amount !!of !!thermal !!energy !!impressed !!on !!a
!!surface, !!a !!certain !!distance !!from !!the !!source, !!generated !!during !!an !!electrical !!arc
!!event. !!Incident !!energy !!is !!typically !!expressed !!in !!? !!- !!CORRECT !!ANSWER-calories
!!per !!centimeter !!squared !!(cal/cm2) !!
!!
A !!qualified !!person !!is !!defined !!as !!one !!who !!has !!demonstrated !!skills !!and !!knowledge
!!related !!to !!the !!construction !!and !!? !!of !!electrical !!equipment !!and !!installations, !!and !!has
!!received !!safety !!training !!to !!? !!the !!hazards !!and !!reduce !!the !!associated !!risk. !!-
!!CORRECT !!ANSWER-operation !!/ !!identify !!
!!
An !!unqualified !!person !!is !!defined !!as !!a !!person !!who !!is !!not !!a !!qualified !!person !!-
!!CORRECT !!
!!
ANSWER-True
!!
The !!requirements !!that !!address !!host !!and !!contract !!employer's !!responsibilities !!require
!!a !!number !!of !!things. !!Which !!of !!the !!following !!are !!among !!those !!requirements? !!-
!!CORRECT !!ANSWER-1. !!The !!contract !!employer !!must !!ensure !!that !!each !!employee
!!follows !!the !!work !!practices !!required !!by !!NFPA !!70E !!in !!addition !!to !!any !!safety-related
!!work !!rules !!of !!the !!host !!employer. !!
IV. The !!host !!employer !!must !!inform !!the !!contract !!employer !!with !!the !!information
!!about !!the !!employer's !!installation !!that !!the !!contract !!employer !!needs !!to !!make !!the
!!assessments !!required !!by !!Chapter !!1 !!of !!NFPA !!70E !!
V. There !!must !!be !!a !!documented !!meeting !!between !!the !!host !!employer !!and !!the
!!contract !!employer !!where !!the !!host !!employer !!has !!knowledge !!of !!hazards !!covered !!by
!!NFPA !!70E !!that !!are !!related !!to !!the !!contract !!employer's !!work. !!
!!
The !!electrical !!safety !!training !!requirements !!in !!110.2(A) !!state !!that !!employees !!are
!!required !!to !!be !!trained !!in !!a !!number !!of !!topics. !!Which !!of !!the !!following !!are !!among
!!those !!employee !!training !!topics? !!- !!CORRECT !!ANSWER-I. !!In !!safety-related !!work
!!practices !!and !!procedural !!requirements, !!as !!necessary, !!to !!provide !!protection !!from
!!the !!electrical !!hazards !!associated !!with !!their !!respective !!job !!or !!task !!assignments !!
III. To !!identify !!and !!understand !!the !!relationship !!between !!electrical !!hazards !!and
!!possible !!injury !!
IV. To !!understand !!the !!specific !!hazards !!associated !!with !!electrical !!energy !!
!!
Determine !!which !!of !!the !!following !!are !!required !!to !!meet !!the !!NFPA !!70E !!requirements
!!related !!to !!emergency !!response !!training. !!- !!CORRECT !!ANSWER-II. !!Employees
!!exposed !!to !!shock !!hazards !!and !!those !!responsible !!for !!the !!safe !!release !!of !!victims
!!from !!contact !!with !!exposed !!energized !!electrical !!conductors !!or !!circuit !!parts !!shall !!be
!!trained !!in !!methods !!of !!safe !!release. !!
III. Employees !!responsible !!for !!responding !!to !!medical !!emergencies !!shall !!be !!trained
!!in !!first !!aid !!and !!emergency !!procedures. !!
IV.Employers !!shall !!verify !!at !!least !!annually !!that !!employee !!emergency !!response
!!training !!is !!current. !!
V. The !!employer !!shall !!document !!that !!emergency !!response !!training !!has !!occurred. !!
!!
!!
5/1 NFPA70E Final Study Set Exam
!! !! !! !! !!
with Correct and Verified Answers
!! !! !! !! !!
!!
2025 !! !!
!!
!!
!!
NFPA !!70E, !!Standard !!for !!Electrical !!Safety !!in !!the !!Workplace, !!consists !!of !!? !!chapters;
!!17 !!informative !!annexes; !!the !!Foreword !!to !!NFPA !!70E; !!and !!Article !!90, !!Introduction.
!!Chapter !!1 !!is !!divided !!into !!? !!articles. !!- !!CORRECT !!ANSWER-3/5 !!
!!
The !!appointment !!of !!the !!NFPA !!70E !!Committee !!was !!announced !!on !!January !!7, !!?
!!, !!and !!
!!
was !!formed !!to !!assist !!? !!in !!preparing !!electrical !!safety !!standards !!that !!would
!!serve !!its
!!
requirements. !!- !!CORRECT !!ANSWER-
1976/OSHA
!!
The !!1995 !!edition !!of !!NFPA !!70E !!included !!the !!concepts !!of !!? !!and !!the !!establishment
!!of !!an !!arc. !!The !!2000 !!edition !!continued !!to !!focus !!on !!establishment !!of !!flash !!protection
!!boundaries, !!the !!use !!of !!personal !!protective !!equipment, !!and !!? !!to !!assist !!the !!user !!in
!!applying !!appropriate !!protective !!clothing !!and !!personal !!protective !!equipment !!for
!!common !!tasks. !!- !!CORRECT !!ANSWER-Limits !!of !!Approach/Charts !!
!!
The !!2004 !!edition !!of !!NFPA !!70E !!introduced !!the !!requirements !!of !!? !!. !!The !!2018 !!edition
!!? !!all !!
!!
previous !!editions. !!- !!CORRECT !!ANSWER-The !!energized !!electrical !!work
!!permit !!/
!!
supersedes
!!
NFPA !!70E !!Chapter !!1 !!applies !!generally !!to !!electrical !!safety !!in !!the !!workplace.
!!Chapter !!2 !!addresses !!safety-related !!? !!requirements. !!Chapter !!3 !!? !!Chapter !!1 !!with
!!safety !!requirements !!for !!special !!equipment. !!- !!CORRECT !!ANSWER-maintenance !!/
!!supplements !!or !!modifies !!
!!
Explanatory !!material !!is !!included !!in !!the !!form !!of !!informational !!notes, !!which !!are !!not
!!enforceable !!as !!requirements. !!Brackets !!containing !!section !!references !!to !!another
!!NFPA !!document !!are !!for !!informational !!purposes !!only !!and !!are !!provided !!as !!a !!guide
!!to !!indicate !!the !!source !!of !!the !!extracted !!text. !!- !!CORRECT !!ANSWER-True !!
!!
An !!arc !!flash !!hazard !!is !!defined !!in !!Article !!100 !!as !!a !!source !!of !!possible !!injury !!or
!!damage !!to !!health !!associated !!with !!the !!release !!of !!energy !!caused !!by !!an !!electric !!arc.
!!Informational !!Note !!No. !!1 !!indicates !!that !!the !!likelihood !!of !!occurrence !!of !!an !!arc !!flash
,!!incident !!increases !!when !!energized !!electrical !!conductors !!or !!circuit !!parts !!are
!!exposed !!or !!when !!they !!are !!within !!equipment !!in !!a(n) !!? !!condition, !!provided !!a !!person
!!is !!interacting !!with !!the !!equipment !!in !!such !!a !!manner !!that !!could !!cause !!an !!electric
!!arc. !!An !!arc !!flash !!incident !!is !!not !!likely !!to !!occur !!under !!normal !!operating !!conditions
!!when !!enclosed !!energized !!equipment !!has !!been !!properly !!installed !!and !!? !!-
!!CORRECT !!ANSWER-guarded !!or !!enclosed !!/ !!maintained !!
!!
Arc !!rating !!is !!defined !!in !!Article !!100, !!in !!part, !!as !!the !!value !!attributed !!to !!materials !!that
!!describes !!their !!performance !!with !!exposure !!to !!an !!electrical !!arc !!discharge !!and !!is
!!expressed !!? !!. !!Informational !!Note !!No. !!1 !!states, !!in !!part, !!that !!arc-rated !!clothing !!or
!!equipment !!has !!been !!tested !!for !!exposure !!to !!an !!electric !!arc !!and !!that !!flame-resistant
!!(FR) !!clothing !!without !!an !!arc !!rating !!? !!been !!tested !!for !!exposure !!to !!an !!electric !!arc !!-
!!CORRECT !!ANSWER-in !!cal/cm2 !!/ !!has !!not !!
!!
ATPV !!is !!defined !!in !!ASTM !!F1959/F1959M !!as !!the !!incident !!energy !!(cal/cm2) !!on !!a
!!material !!or !!a !!multilayer !!system !!of !!materials !!that !!results !!in !!a !!? !!probability !!that
!!sufficient !!heat !!transfer !!through !!the !!tested !!specimen !!is !!predicted !!to !!cause !!the
!!onset !!of !!a !!second !!degree !!skin !!burn !!injury !!based !!on !!the !!Stoll !!curve. !!EBT !!is
!!defined !!in !!ASTM !!F !!1959-06 !!as !!the !!incident !!energy !!(cal/cm2) !!on !!a !!material !!or !!a
!!material !!system !!that !!results !!in !!a !!? !!
probability !!of !!break !!open. !!- !!CORRECT !!ANSWER-50% !!/ !!50% !!
!!
The !!Informational !!Note !!to !!the !!definition !!of !!arc !!flash !!boundary !!states !!that, !!according
!!to !!the !!Stoll !!skin !!burn !!injury !!model, !!the !!onset !!of !!a !!second !!degree !!burn !!on
!!unprotected !!skin !!is !!likely !!to !!occur !!at !!an !!exposure !!of !!? !!for !!one !!second. !!-
!!CORRECT !!ANSWER-1.2 !!cal/cm2 !!
!!
An !!approach !!limit !!at !!a !!distance !!from !!an !!exposed !!energized !!electrical !!conductor !!or
!!circuit !!part !!within !!which !!a !!shock !!hazard !!exists !!- !!CORRECT !!ANSWER-Limited
!!Approach !!Boundary !!
!!
An !!approach !!limit !!at !!a !!distance !!from !!an !!exposed !!energized !!electrical !!conductor !!or
!!circuit !!part !!within !!which !!there !!is !!an !!increased !!likelihood !!of !!electric !!shock, !!due !!to
!!electrical !!arc-over !!combined !!with !!inadvertent !!movement !!- !!CORRECT
!!ANSWERRestricted !!Approach !!Boundary !!
!!
When !!an !!arc !!flash !!hazard !!exists, !!an !!approach !!limit !!from !!an !!arc !!source !!at !!which
!!incident !!
!!
energy !!equals !!1.2 !!cal/cm2 !!(5 !!J/cm2) !!- !!CORRECT !!ANSWER-Arc-Flash
!!Boundary
!!
An !!electrical !!hazard !!is !!defined !!as !!a !!dangerous !!condition !!such !!that !!contact !!or
!!? !!can !!
result !!in !!electric !!shock, !!arc !!flash !!burn, !!thermal !!burn, !!or !!? !!. !!- !!CORRECT
!!ANSWER-
!!
equipment !!failure !!/ !!arc !!blast
!!injury
!!
, Incident !!energy !!is !!defined !!as !!the !!amount !!of !!thermal !!energy !!impressed !!on !!a
!!surface, !!a !!certain !!distance !!from !!the !!source, !!generated !!during !!an !!electrical !!arc
!!event. !!Incident !!energy !!is !!typically !!expressed !!in !!? !!- !!CORRECT !!ANSWER-calories
!!per !!centimeter !!squared !!(cal/cm2) !!
!!
A !!qualified !!person !!is !!defined !!as !!one !!who !!has !!demonstrated !!skills !!and !!knowledge
!!related !!to !!the !!construction !!and !!? !!of !!electrical !!equipment !!and !!installations, !!and !!has
!!received !!safety !!training !!to !!? !!the !!hazards !!and !!reduce !!the !!associated !!risk. !!-
!!CORRECT !!ANSWER-operation !!/ !!identify !!
!!
An !!unqualified !!person !!is !!defined !!as !!a !!person !!who !!is !!not !!a !!qualified !!person !!-
!!CORRECT !!
!!
ANSWER-True
!!
The !!requirements !!that !!address !!host !!and !!contract !!employer's !!responsibilities !!require
!!a !!number !!of !!things. !!Which !!of !!the !!following !!are !!among !!those !!requirements? !!-
!!CORRECT !!ANSWER-1. !!The !!contract !!employer !!must !!ensure !!that !!each !!employee
!!follows !!the !!work !!practices !!required !!by !!NFPA !!70E !!in !!addition !!to !!any !!safety-related
!!work !!rules !!of !!the !!host !!employer. !!
IV. The !!host !!employer !!must !!inform !!the !!contract !!employer !!with !!the !!information
!!about !!the !!employer's !!installation !!that !!the !!contract !!employer !!needs !!to !!make !!the
!!assessments !!required !!by !!Chapter !!1 !!of !!NFPA !!70E !!
V. There !!must !!be !!a !!documented !!meeting !!between !!the !!host !!employer !!and !!the
!!contract !!employer !!where !!the !!host !!employer !!has !!knowledge !!of !!hazards !!covered !!by
!!NFPA !!70E !!that !!are !!related !!to !!the !!contract !!employer's !!work. !!
!!
The !!electrical !!safety !!training !!requirements !!in !!110.2(A) !!state !!that !!employees !!are
!!required !!to !!be !!trained !!in !!a !!number !!of !!topics. !!Which !!of !!the !!following !!are !!among
!!those !!employee !!training !!topics? !!- !!CORRECT !!ANSWER-I. !!In !!safety-related !!work
!!practices !!and !!procedural !!requirements, !!as !!necessary, !!to !!provide !!protection !!from
!!the !!electrical !!hazards !!associated !!with !!their !!respective !!job !!or !!task !!assignments !!
III. To !!identify !!and !!understand !!the !!relationship !!between !!electrical !!hazards !!and
!!possible !!injury !!
IV. To !!understand !!the !!specific !!hazards !!associated !!with !!electrical !!energy !!
!!
Determine !!which !!of !!the !!following !!are !!required !!to !!meet !!the !!NFPA !!70E !!requirements
!!related !!to !!emergency !!response !!training. !!- !!CORRECT !!ANSWER-II. !!Employees
!!exposed !!to !!shock !!hazards !!and !!those !!responsible !!for !!the !!safe !!release !!of !!victims
!!from !!contact !!with !!exposed !!energized !!electrical !!conductors !!or !!circuit !!parts !!shall !!be
!!trained !!in !!methods !!of !!safe !!release. !!
III. Employees !!responsible !!for !!responding !!to !!medical !!emergencies !!shall !!be !!trained
!!in !!first !!aid !!and !!emergency !!procedures. !!
IV.Employers !!shall !!verify !!at !!least !!annually !!that !!employee !!emergency !!response
!!training !!is !!current. !!
V. The !!employer !!shall !!document !!that !!emergency !!response !!training !!has !!occurred. !!
!!
