Common Electrical Hazards Quiz – Trainers Module
Please mark the
correct answer below:
1.
Cabinets and boxes shall
a. have openings
closed
b. have covers
c. if covers are metal
they must be grounded
d. all the above
2.
Flexible cords may be used:
a. in ceilings or
walls
b. as long as attached
to building surface
c. to prevent
transmission of noise or vibration
d. none of the above
3.
Flexible cords may not be:
a. attached to
building surfaces
b. run through walls,
ceilings, and floors
c. run through
doorways, windows
d. all of the above
4.
Qualified persons (i.e. those permitted to work on or near exposed energized
parts)
shall, at a minimum, be trained in and familiar with the following:
a. ability to
distinguish exposed live parts from other parts of electric equipment.
b. skills necessary to
determine the nominal voltage of exposed live parts
c. clearance distances
and the voltages the qualified person will be exposed to
d. all of the above
5.
Minimum clearance in front of electrical equipment (live parts) shall be no
less
than:
a. 12”
b. 18”
c. 36”
d. 48”
6.
Which of the following people is approved to work on energized circuits or
equipment?
a. Chief Engineer
b. an apprentice with
at least six months experience
c. a Qualified person
d. anybody in an
emergency
7.
Temperature from an arc flash may reach
a. 600° F
b. 5,200° F
c. 35,000° F
d. 100,000° F
8.
Which of the following is not a hazard when working with electricity?
a. electric shock
b. blast
c. frostbite
d. arc flash
9.
Which of the following is an approved alerting technique for warning employees
of
hazards that could result in electrical shock?
a. safety signs and
tags
b. barricades
c. attendants
d. all of the above
10.
Extension cords must be visually examined
a. before use on any
shift
b. once a week
c. every six months
d. once per year
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