Es-Tee-Nineteen

Question 1

ST19 requires that all circuits or parts operating at ________ volts or should normally be de-energized before anyone works on or near them

Answer 1

50

Question 2

Test meters are required to be rated for the circuits and equipment to which they will be connected

Answer 2

True

Question 3

The rating for a hazard risk category 2 is ______ .

Answer 3

8cal/cm 2

Question 4

The 3 hazards of electricity are

Answer 4

Shock, arc, and blast

Question 5

The appropriate class of glove that should be worn while working on energized circuits of 480 volts is _______

Answer 5

Class 00

Question 6

Only _______ may use testing equipment on energized circuits.

Answer 6

Qualified workers

Question 7

All electrical circuits must be tested “de-enegized” before being considered safe to touch

Answer 7

True

Question 8

Within the Department of Water Resources, which office is responsible for generating and issuing electrical warning labels?

Answer 8

Electrical Engineering Services

Question 9

A current flow as low as _______ through a person’s heart will cause heart fibrillation

Answer 9

100mA

Question 10

An electric arc can reach temps four times as high as that of the sun.

Answer 10

True

Question 11

NFPA 70-E is updated periodically and is considered the “industry Standard” for safety in the workplace.

Answer 11

True

Question 12

______ are responsible for providing PPE with an ATPV rating sufficient for the work being performed

Answer 12

Superintendent/ Branch Chiefs

Question 13

The abbreviation FR when referring to protective clothing stands for

Answer 13

Flame Resistant

Question 14

An example of work that may be performed on energized circuits because of infeasability would be testing or troubleshooting

Answer 14

True

Question 15

Which protection boundary can be crossed by an unqualified worker while being escorted by a qualified worker?

Answer 15

Limited approach

Question 16

Employees should remove all jewelry such as rings, watches, necklaces, etc., before performing energized work.

Answer 16

True

Question 17

Before rubber protective equipment can be worn, it must be ______

Answer 17

Inspected

Question 18

Once placed into service, rubber gloves must be cleaned, inspected every _______ months.

Answer 18

6months

Question 19

When should Job Hazard Analysis should be performed?

Answer 19

Before the start of each job

Question 20

It is permissible for an unqualified person to cross the Restricted Approach Boundary

Answer 20

False

Question 21

A(n) ______ area is a clearly marked area where personnel are not required to wear Flame Resistant clothing

Answer 21

Exclusion

Question 22

Where insulated rubber gloves are used for shock protection, ________ shall be worn over the rubber gloves.

Answer 22

Leather Protector Gloves

Question 23

Face shields that are not arc related may be used for arc flash protection if they are tinted.

Answer 23

False

Question 24

What is the purpose of Project O&M instruction ST-19

Answer 24

To enhance safe working conditions established by OP2 and other safety documents and to provide criteria for assessing and mitigating the risk of shock and arc flash hazards during equipment use that may result in personal injury

Question 25

The Limited Approach Boundaries for a live 480volt fixed circuit is 10’.

Answer 25

False (3’6”)

Question 26

NFPA 70E requires a job briefing to be conducted

Answer 26

Before the start of each day