Electrical Safety Quiz

Insulating equipment, such as electrical protective gloves, found defective must be taken out of service until repaired and retested.

• True

• false

Which of the following is the lowest level of electrical current that can cause heart fibrillation and death?

• 50-150 milliamps

• 5-10 milliamps

• 15 amps

• 10 amps

Each of the following are well-known examples of circuit protection devices, EXCEPT:

• fuses

• Ground Fault Circuit Interrupters (GFCI)

• circuit breakers

• capacitors

The U.S. Department of Energy and OSHA both classify high voltage as over _____ volts.

• 240

• 120

• 600

• 50

Which of the following would be the most likely indication of an electrical circuit overload condition?

• excess heat or arcing

• notification by OSHA

• equipment fails to start

• excess noise in the circuit

Effective guarding requires equipment with exposed parts operating at 50 volts or more to be placed where it is accessible only to authorized people qualified to work with it.

• True

• false