CHAPTER 4 — Electrical Safety

Question 1

_______ is the connection of all exposed non-current-carrying metal parts of the earth

Answer 1

Grounding

Question 2

______ is the process of placing a danger tag on the source of electrical power, which indicates that the equipment may not be operated until the danger tag is removed

Answer 2

Tagout

Question 3

A ____ should be used when more than one technician is required to perform a task on a piece of equipment

Answer 3

Hasp

Question 4

Air normally contains ____ oxygen

Answer 4

21%

Question 5

Electrical power must be removed when electrical equipment is _______, ________, or _________

Answer 5

Inspected, serviced, repaired

Question 6

A _____ tag has the same importance as a lock and is used alone only when a lock does not fit the disconnected device

Answer 6

Danger

Question 7

Technicians must know the locations of all fire _________ equipment in a facility

Answer 7

Extinguishing

Question 8

Prescription glasses are ____ considered eye protection

Answer 8

Not

Question 9

__________ is the process of removing the source of electrical power and installing a lock which prevents the power from being turned on

Answer 9

Lockout

Question 10

A ________ is a space large enough and so configured than an employee can physically enter and perform assigned work, that has limited or restricted means for entry and exit, and is not designed for continuous employee occupancy

Answer 10

Confined space

Question 11

______ are the result of improper lifting procedures

Answer 11

Back injuries

Question 12

When removing fuses, use an approved fuse puller and break contact on the _____ side of the circuit first

Answer 12

Line

Question 13

A ____________ is a device that protects against electrical shock by detecting an imbalance of current in the normal conductor pathways and opening the circuit

Answer 13

Ground fault circuit interrupter