Electrical Safety In The Workplace

Question 1

___________ publishes standards to promote safe products and consumer confidence?

Answer 1

ASTM

Question 2

Arc Flash boundaries are determined by:

Answer 2

Engineers:P

Question 3

What does Annex H do?

Answer 3

Breaks down tasks into 2 categories to help PPE selection

Question 4

Annex 1 suggests using _________ for job briefings

Answer 4

Safety checklist

Question 5

What is included in the 70E handbook but not the standard?

Answer 5

Excerpts from the NEC

Question 6

Ch 3 of 70E covers safety requirements of:

Answer 6

Special equipment

Question 7

Qualified electrolytic cell workers must be qualified in:

Answer 7

Ungrounded DC sources

Question 8

Batteries in series produce voltage equal to:

Answer 8

A single battery times the number of batteries

Question 9

Battery room should have what material floor?

Answer 9

Concrete

Question 10

Article 340 does NOT cover:

Answer 10

Subatomic radiation

Question 11

NFPA 70E ch 2 stresses the importance of:

Answer 11

Regular equipment maintenance

Question 12

OSHA recommends retraining after _________ of not performing a task.

Answer 12

1 year

Question 13

All disconnects must have ________ identified so correct testing equipment can be used.

Answer 13

Voltage

Question 14

Current carrying conductors must be properly sized according to ______________.

Answer 14

NEC standards

Question 15

Electrical instillations in hazardous areas…..

Answer 15

All of the above

Question 16

It is permissible to perform energized work if:

Answer 16

Shutting down is a greater risk.

Question 17

Can an unqualified worker go beyond the restricted boundary if safe work conditions have been established?

Answer 17

Yes…

Question 18

What hazard analysis should be completed before work near conductors?

Answer 18

Shock/arc flash

Question 19

What is not determined by arc flash hazard analysis?

Answer 19

If a lockout/tagout is needed

Question 20

To prevent shock/arc flash, what kind of boots should be worn?

Answer 20

Leather

Question 21

To prevent electric shock, ______________ all circuits and conductors.

Answer 21

De-energize

Question 22

What extra step do we take to achieve safe work conditions when there is a possibility of stored energy?

Answer 22

Grounds

Question 23

Is PPE needed once safe work conditions is established?

Answer 23

No

Question 24

What type of lockout/tagout is used when only 1 disconnect controls the circuit?

Answer 24

Simple

Question 25

A tagout device must be rated for _____lbs.

Answer 25

50

Question 26

True or false: only the host employer is responsible for employee safety.

Answer 26

False, the contract employer is also responsible for employee safety!

Question 27

Qualified persons must:

Answer 27

Be able to asses electrical hazards

Question 28

Where to find proper PPE requirements in employee safety program?

Answer 28

?

Question 29

An electrical audit should be performed every:

Answer 29

3 years

Question 30

The appropriate rating of arc flash suit should be determined by:

Answer 30

The amount of exposure to flash

Question 31

What is incident energy?

Answer 31

Energy released during an arc flash

Question 32

The point where the electric company wiring meets a structures wiring and NFPA 70E begins is called the:

Answer 32

Service point