electrical #2
the main factor that determines the outcome of an electrical shock is the
amount of current
Before entering a confined space, you must
be trained in confine space entry procedures
The first step to be completed before working on a circuit is to ___
check that the circuit is tagged and locked out
all electrical equipment and lines should be considered ___ until determined otherwise
energized
High voltage rubber gloves must be electrically tested
every six months
The major cause of death from electrical shock is
fibrillation of the heart
Rubber gloves can be damaged by _____.
hand creams
Batteries can be an explosion hazard because ______.
hydrogen mixed with air is explosive in the proper concentration
According to OSHA, portable tools and appliances do not need to be grounded
if they have an approved system of double insulation
Portable electric hand tools account for a large number of electrical shock injuries. One way to prevent these types of accident is by ____
proper grounding of tools
when working on de-energized circuits that have capacitors installed, the first thing that a qualified individual should do is to
short out all parts of the circuit with a shorting probe
Specific data for hazardous material is found in
the MSDS
After a hazard review is completed, ____ determines the classification of a confined space as a non-permit or permit-required confined space
the supervisor and project safety manager
which is true
you must be evaluated by a physician, fitted and thoroughly
the OSHA standards for the construction industry are covered in CFR
1910 and 1926
When using a straight ladder, the side rails should extend at least ___ inches above the top support point
36
when a barrier is used as a controlled access zone, it must be ___ from the edge
6 feet
what voltage is considered high voltage
600V or more
___ rubber gloves are rated for application up to 1,000V
Class 0
a(n) ___ is intended for the electrical protection of personnel
GFCI