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Electrical Level 1 - Chapter 26102-14
Electrical Safety
30
Other
Professional
02/01/2017

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Cards

Term
The most life-threatening hazards on a construction site typically include all of the following except ____
Definition
Chemical Burns
Term
If a person's heart begins to fibrillate due to an electrical shock, the solution is to ____
Definition
Have a qualified person use emergency defibrillation equipment.
Term
Low-voltage conductors rarely cause injuries. (T/F)
Definition
False
Term
Class 00 rubber gloves are used when working with voltages less than ____
Definition
500 volts
Term
An important use of a hot stick is to ____
Definition
Replace fuses
Term
Which of these statements correctly describes a double-insulated power tool?
Definition
It can safely be used in place of a grounded tool.
Term
Which of the following applies in a lockout/tagout procedure?
Definition
Lockout/tagout devices are installed by every authorized employee involved in the work.
Term
The NEC provides requirements for safe electrical installations, while NFPA 70E provides guidance for establishing safe electrical workplaces. (T/F)
Definition
True
Term
What is the proper distance from the feet of a straight ladder to the wall?
Definition
One-fourth the working height of the ladder.
Term
What are the minimum and maximum distances (in inches) that a scaffold plank can extend beyond its end support?
Definition
Minimum 6 inches, maximum 12 inches.
Term
All of the following are usually considered confined spaces except ____
Definition
A 3 ft trench
Term
The best way to protect yourself from solvent hazards is to ____
Definition
Read and follow all instructions on the product's SDS/MSDS
Term
Asbestos was banned in ____; therefore, you must assume that any facility constructed before ____ has asbestos in it.
Definition
1978; 1980
Term
You may throw vapor lamps out with regular trash as long as you wrap them carefully to avoid breakage. (T/F)
Definition
False
Term
A PFAS anchorage point for a 6-foot lanyard must be able to hold ____
Definition
5k lbs
Term
A life-threating condition of the heart in which the muscle fibers contract irregularly is called ____
Definition
Fibrillation
Term
Any tool that has a case made of nonconductive material and that has been constructed so that the case is insulated form electrical energy is a ____.
Definition
Double-insulated/ungrounded tool
Term
____ are chemicals often found in liquids that use a tube used to cool certain types of large transformers and capacitors.
Definition
Polychlorinated biphenyls (PCBs)
Term
A ____ will de-energize a circuit or a portion of it if the current to ground exceeds some predetermined value.
Definition
Ground fault circuit interrupter (GFCI)
Term
A ____ has a three-prong plug at the end of its power cord or some other means to ensure that stray current travels to ground without passing through the body of the operator.
Definition
Grounded Tool
Term
CFR Part 1910 covers the ____
Definition
OSHA standards for the general industry.
Term
CFR part 1926 covers the ____
Definition
OSHA standards for the construction industry.
Term
You should use a compressor for an air test on high-voltage gloves because it has more pressure and is much faster. (T/F)
Definition
False
Term
What are the 6 classes of rubber protective equipment and their voltage ratings?
Definition
00 (beige tag) rating 500 volts;
0 (red tag) rating 1k volts;
1 (white tag) rating 7.5k volts;
2 (yellow tag) rating 17k volts;
3 (green tag) rating 26k volts;
4 (orange tag) rating 36k volts;
Term
All conductors, buses, and connections should be considered ____ until proven otherwise.
Definition
Energized (or "live")
Term
The distance from the ladder feet to the base of the wall or support should be about ____ the vertical distance from the bottom to the top of the ladder.
Definition
1/4th
Term
As it is erected, each part of a scaffolding shall be carefully _____
Definition
Inspected
Term
What are the general guidelines used in identifying a confined space?
Definition
Limited entry and exit

not intended for continued human occupancy

poor ventilation

potential for entrapment/engulfment

potential for accumulating a dangerous atmosphere
Term
Before determining the proper procedure for confined space entry, a(n) ____ must be performed.
Definition
Hazard review
Term
Fall protection must be used when employees are on a walking or working surface that is ____ or more above a lower level and has an unprotected edge or side.
Definition
6 ft
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