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Terms in this set (38)
All of the following are usually considered confined spaces except a ___
3 ft. trench
Which of the following applies in a lockout ragout procedure?
Lockout/ragout devices are installed by every authorized employee involved in the work
Which federal agency's mission is to save lives , prevent injuries, and protect the health of American workers?
A system that protects workers from hazardous energy while they work with machines and equipment is referred to as ___
Who should you notify if you are on a job site and see a safety hazard?
Which of these statements applies to a permit-required confined space controlled by ventilation?
A hazard review checklist must be completed
Fall protection is required when working at heights of _ or higher
If you are going to step off of a ladder onto a roof or platform, how far should the ladder extend past the point where it touches the roof?
If a person's heart begins to fibrilate due to an electric shock, the solution is to ___
have a qualified person use emergency defibrillation equipment
On a job site your supervisor needs a set of plans to show the location of the building on the job site from an Ariel view. What kind of plans would you retrieve from the construction manager's trailer?
What does an easement show?
Where to locate utilities
Which plans would show location of utilities, walks, and drive?
A common scale on most residential drawings is _ equals 1 ft
If a conflict is discovered between the drawings and the specifications, how is it resolved?
The specifications take priority
Where are changes to electrical drawings recorded?
A _ is a complete path for circuit flow
an electrical circuit contains, at minimum, a _
Voltage source, load, and conductors
The voltage commonly supplied to a residence by the local utility is _______.
When sizing outlet boxes, deduct _ conductors for each switch
Blank covers are used when boxes serve as ____
Each conductor originating outside of the box and terminating inside of the box counts as _ conductors
A box constructed so that exposure to weather will not interfere with successful operation is referred to as _
A box designed and constructed to withstand an internal explosion without creating an external explosion or fire is called______
What is the maximum distance between receptacles along the floor line in any wall space?
The capacity of an outlet box can be increased by using ____
raised device covers
All boxes must be sized, installed, and supported to met the current ___ requirements.
Octagon and round boxes are used mostly for ____
Wall mounted lighting fixtures
A box constructed so that moisture will not interfere with successful operation is said to be _____
What service conductor may be bare, green, or green with a yellow stripe?
Does not effect how good a material will be for the construction of a wire
What letter must be included in the marking of a conductor if it is to be used in a wet outdoor application
The maximum size solid wire that should be terminated in pull boxes and disconnects is _
Polyethylene is primarily used for _
Insulation and control of communication wiring
Compact stranding is used _
with aluminum conductors
Underground metal water pipe is direct contact with the earth for _ or more can serve as a grounding electrode
A continuous load is one in which maximum current is expected for the duration of _ or more continuously
For a motor driven electric space heating equipment with a motor rated over _ horsepower, a disconnecting means shall be located within sight from the motor controller
Grounding electrodes must have at least _ length in contact with the earth
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