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