NEIEP 400 FINAL EXAMINATION VERSION 2 –
NATIONAL ELECTRICAL INDUSTRY EDUCATION
PROGRAM
SECTION 1: ELECTRICAL SAFETY & OSHA STANDARDS
Corr
Questio ect Rationa
# A B C D
n Ans le
wer
Accordin OSHA
g to Table S-5
OSHA, specifies
No
what is the
distance
the 3 feet 6 limited
required
minimu 1 foot 10 feet inches approach
1 if D
m (0.3 m) (3.05 m) (1.07 boundary
insulated
approac m) for
tools are
h unqualifie
used
distance d persons
for at 50–300
unqualifi V is 3 ft 6
, Corr
Questio ect Rationa
# A B C D
n Ans le
wer
ed in to
persons protect
working against
near shock
exposed hazards.
energize
d parts
operatin
g at 50
to 300
volts?
Which OSHA
OSHA Subpart S
standard (1910.331
specifica –335)
NFPA
lly covers
29 CFR 70E is
addresse 29 CFR safety-
1910.3 the
s 1910.147 related
31 29 CFR only
electrical lockout/t work
2 throug 1926.416 enforce A
safety- agout procedure
h only able
related exclusive s for
1910.3 OSHA
work ly qualified
35 standar
procedu and
d
res for unqualifie
general d
industry employee
? s.
, Corr
Questio ect Rationa
# A B C D
n Ans le
wer
What is
LOTO
the
ensures
primary To
To hazardous
purpose To To allow replace
isolate energy is
of a increas multiple the
energy controlled
lockout/ e workers need
sources and
tagout produc to for
and equipmen
3 (LOTO) tion energize person C
prevent t cannot
procedu speed the al
unexpect be re-
re during circuit protect
ed energized
before mainte simultan ive
energiza while
servicing nance eously equipm
tion work is
electrical ent
performe
equipme
d.
nt?
Before An arc-
When is
a flash risk
an arc-
worker assessme
flash risk
approa nt
assessm Only Never;
ches Only for determine
ent after an arc-
expose systems s incident
required arc-flash flash
4 d operatin A energy
under incident PPE is
energiz g above and
current has option
ed 15 kV appropria
electrical occurred al
conduc te PPE
safety
tors or before
standard
circuit work near
s?
parts exposed
, Corr
Questio ect Rationa
# A B C D
n Ans le
wer
energized
parts.
Incident
energy
depends
on
Which Higher available
conditio available fault
n is fault Workin current
most Use of current g on and arc
Lower
likely to insulated and de- duration
system
5 increase tools longer energiz C (clearing
voltage
the exclusive clearing ed time);
only
severity ly time of equipm higher
of an protectiv ent fault
arc-flash e current
hazard? devices and
slower
clearing
increase
severity.
What is Follow Any Cut the OSHA
Energiz
the the worker lock requires a
e the
correct employ may immedia specific
6 equipm A
action if er's remove tely emergenc
ent to
a docum the lock without y removal
force
lockout ented without notifying procedure
NATIONAL ELECTRICAL INDUSTRY EDUCATION
PROGRAM
SECTION 1: ELECTRICAL SAFETY & OSHA STANDARDS
Corr
Questio ect Rationa
# A B C D
n Ans le
wer
Accordin OSHA
g to Table S-5
OSHA, specifies
No
what is the
distance
the 3 feet 6 limited
required
minimu 1 foot 10 feet inches approach
1 if D
m (0.3 m) (3.05 m) (1.07 boundary
insulated
approac m) for
tools are
h unqualifie
used
distance d persons
for at 50–300
unqualifi V is 3 ft 6
, Corr
Questio ect Rationa
# A B C D
n Ans le
wer
ed in to
persons protect
working against
near shock
exposed hazards.
energize
d parts
operatin
g at 50
to 300
volts?
Which OSHA
OSHA Subpart S
standard (1910.331
specifica –335)
NFPA
lly covers
29 CFR 70E is
addresse 29 CFR safety-
1910.3 the
s 1910.147 related
31 29 CFR only
electrical lockout/t work
2 throug 1926.416 enforce A
safety- agout procedure
h only able
related exclusive s for
1910.3 OSHA
work ly qualified
35 standar
procedu and
d
res for unqualifie
general d
industry employee
? s.
, Corr
Questio ect Rationa
# A B C D
n Ans le
wer
What is
LOTO
the
ensures
primary To
To hazardous
purpose To To allow replace
isolate energy is
of a increas multiple the
energy controlled
lockout/ e workers need
sources and
tagout produc to for
and equipmen
3 (LOTO) tion energize person C
prevent t cannot
procedu speed the al
unexpect be re-
re during circuit protect
ed energized
before mainte simultan ive
energiza while
servicing nance eously equipm
tion work is
electrical ent
performe
equipme
d.
nt?
Before An arc-
When is
a flash risk
an arc-
worker assessme
flash risk
approa nt
assessm Only Never;
ches Only for determine
ent after an arc-
expose systems s incident
required arc-flash flash
4 d operatin A energy
under incident PPE is
energiz g above and
current has option
ed 15 kV appropria
electrical occurred al
conduc te PPE
safety
tors or before
standard
circuit work near
s?
parts exposed
, Corr
Questio ect Rationa
# A B C D
n Ans le
wer
energized
parts.
Incident
energy
depends
on
Which Higher available
conditio available fault
n is fault Workin current
most Use of current g on and arc
Lower
likely to insulated and de- duration
system
5 increase tools longer energiz C (clearing
voltage
the exclusive clearing ed time);
only
severity ly time of equipm higher
of an protectiv ent fault
arc-flash e current
hazard? devices and
slower
clearing
increase
severity.
What is Follow Any Cut the OSHA
Energiz
the the worker lock requires a
e the
correct employ may immedia specific
6 equipm A
action if er's remove tely emergenc
ent to
a docum the lock without y removal
force
lockout ented without notifying procedure
