Electrical Hazards at Work - Test Employees for Safety!

True or False: Working with or around electricity exposes employees to such dangers as electric shock, electrocution, fires and explosions.

_____ is the movement of electrical charge.

Which is the opposition to current flow?

a. Insulators
b. Grounding
c. Resistance
d. Current

Which are substances, such as metals, that have little resistance to elec tricity?

a. Conductors
b. Voltage
c. Aluminum
d. Resistance

_____ is a conductive connection to th earth which acts as a protective measure.

Which of the following is NOT a potential injury caused by hazardous contact with electricity?

a. Shock, including electrocution
b. Burns
c. Cuts and lacerations
d. Falls due to shock

True or False: An employee can be shocked when the metal parts of electric tools and machines become energized. This can happen if there is a break in the insulation of the tool or machine wiring.

Electrical shock can cause indirect or secondary injureies. Many times this happens when a worker is in an elevated location and the electric swhopck causes the worker to _____.

a. Trip
b. Fall
c. Sneeze
d. None of the above

Which of the following does NOT pose a potential electrical hazard to the employee?

a. Using a portable tool with an extension cord that has a wire too small for the tool.
b. A tool plugged into an extension cord that is too small, causing overheating and a possible fire without tripping the circuit breaker.
c. A circuit breaker that trips when a machine begins overheating.
d. Using a table saw that has a poorly spliced power cord and exposed wiring

True or False: Fuses and circuit breakers are designed to protect equipment and facilities. However, the only electrical protective device whose sole purpose is to protect people is the ground-fault-circuit-interrupter.

Need answers? All answers can be found in this free basic electrical safety online training course.