NCCER Electrical module 2 ( electrical safety) Exam Questions And Answers
under strict safety guidelines, which of the following should be used to discharge capacitors before working on de-energized circuits. - ANS safety shorting probe
for safety, assume that any facility constructed before...
under strict safety guidelines, which of the following should be used to discharge capacitors before
working on de-energized circuits. - ANS safety shorting probe
K
for safety, assume that any facility constructed before 1980 has? - ANS asbestos
with of the following is the threshold at which a power source is considered high voltage in the context of
C
safety? - ANS over 600V- 600 Volts
insulated gloves must be inspected by the user? - ANS always and field checked
LO
the normal beating of a heart can be upset by an electrical current as small as? - ANS 75mA
Which factor determines the outcome of an electrical shock? - ANS amount of current measured in
AMPERES
YC
a live-dead-live test is conducted in order to? - ANS verify the circuit is de-energized
you are required to be evaluated by a physician to ensure that you are physically fit to use which of the
following types of protective equipment? - ANS Respirators
D
which of the following battery byproducts can be explosive when mixed with air? - ANS Hydrogen GAS
U
the OSHA lockout-tagout rule protects workers from? - ANS potential exposure to hazardous energy
sources
ST
which of the following should have side rails that extend 36in (3Ft) above the top support point? - ANS
ladders
what must happen before any work may be performed in a confined space? - ANS a hazard review
NFPA 70E provides practical guidance in? - ANS Hazard assessment
OSHA CFR 1910 is the standard for? - ANS general industry
when a guardrail cannot be attached to a building a solution may be to install a? - ANS controlled access
zone
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