WorksheetsModule 26102-23 Practice Exam: Safety for Electricians
Total questions: 18
Worksheet time: 9mins
Which of the following is not one of the Focus Four on a construction site?
Chemical burns
Electric shock
Being crushed or struck by falling or flying objects
Falls
A shock of 5 mA can cause injury through _____
electrical burns
involuntary movement
suffocation
respiratory arrest
If a person’s heart begins to fibrillate due to an electrical shock, the solution is to _____
leave the person alone until the fibrillation stops
have a qualified person use a defibrillator
immerse the person in ice water
use the Heimlich maneuver
Low-voltage conductors _____
are unlikely to cause injury if rubber-soled shoes are worn
are responsible for most electrocution deaths due to the frequency of contact
are not powerful enough to cause death from electrocution
must exceed 480V to cause death
A machine guard is a type of _____
hazard elimination
engineering control
administrative control
hazard substitution
The least effective method of preventing risk is through the use of _____
elimination
engineering controls
PPE
substitution
The type of hard hat that can withstand a voltage of 20,000VAC for three minutes is a _____
Class A
Class G
Class C
Class E
A work permit is a type of _____
hazard elimination
hazard substitution
engineering control
administrative control
What are the minimum and maximum distances that a scaffold plank can extend beyond its end support?
6"; 10"
8"; 12"
6"; 12"
4"; 8"
Which of the following applies in a LOTO procedure?
If several employees are involved, the LOTO equipment is applied only by the first employee to arrive at the disconnect.
LOTO devices applied by one employee can be removed by another employee as long as it can be verified that the first employee has left for the day.
Only the supervisor can install LOTO devices.
LOTO devices are installed by every employee involved in the work.
What is the proper distance from the feet of a straight ladder to the wall?
One-half the height of the ladder
One-fourth of the square root of the height of the ladder
One-fourth the working height of the ladder
A distance equal to the height of the first three rungs
An important use of a hot stick is to _____
test for insulation
replace busbars
replace fuses
test for continuity
It is safe to assume that asbestos may be found in any facility constructed before _____
1990
1985
1980
1995
Class 0 rubber gloves are used when working with voltages less than _____
500VAC
7,500VAC
5,000VAC
1,000VAC
The best way to protect yourself from solvent hazards is to _____
ask the supplier
always wear vinyl gloves and a paper filter mask
read and follow all instructions on the product’s SDS
ask a coworker for instructions
The NEC® covers the _____
manufacturing specifications for electrical equipment
workplace hazards associated with electrical equipment
operating instructions for electrical equipment
minimum requirements for the installation of electrical systems
What happens to the permits used to enter a confined space?
They are recorded in the job journal at the end of each shift and submitted to OSHA.
They are reviewed at the end of each shift and discarded at the completion of the job.
They are recorded in the job journal at the end of each shift and kept for a year.
They are reviewed at the end of each shift and retained for three months.
Which of these statements correctly describes a double-insulated power tool?
It can safely be used in place of a grounded tool.
There is twice as much insulation on the power cord.
The entire tool is covered in rubber.
It is made entirely of plastic or other nonconductive material.
