Lesson 3 Flashcards
Protective Line Devices, Care and Use (23 cards)
A rubber line hose is used to protect Qualified Electrical Workers from accidental electrical contacts.
True or False?
True
NJATC Safety Handbook, Chap. 5, Pg. 53
Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 4, Sentence 1
All line hoses should be ? .
a. cleaned and inspected regularly
b. kept clean and lubricated
c. stored in a metal cylinder
d. tested for insulation integrity every 6 months
a. cleaned and inspected regularly
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 18, Pg. 721
Media Clip: PPE Inspection – Protective Line Devices (0:05)
NJATC Safety Handbook, Chap. 5, Pg. 53, Paragraph 2
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 4, Sentence 3
Line hoses are available in varying lengths and diameters ranging from 1” to ? .
a. 1 ¼”
b. 1 ½”
c. 2”
d. 2 ½”
b. 1 ½”
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 5, Sentence 1
Rubber blankets are the only things used to cover insulators.
True or False?
False
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 3, Sentence 1
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 18, Pgs. 718-719
A conductor cover, fabricated from high-dielectric polyethylene, clips on and covers conductors up to ? in diameter.
a. 1”
b. 2”
c. 3”
d. 4”
b. 2”
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 6, Sentence 1
To prevent tie wires from contacting the cross-arm when conductors are being tied or untied, ? are used.
a. doubled-up rubber blankets
b. flattened-out rubber hoses
c. high-dielectric-strength polyethylene cross-arm covers
d. hot-line holding tools
c. high-dielelectric-strength polyethelene crossarm covers
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 6, Sentence 3
How should rubber blankets be stored when on the truck?
a. Folded in a bin
b. Hung up in the bed of the truck
c. In PCV tubes or a canvas bag
d. Thrown in a bin on the truck
c. In PCV tubes or a canvas bag
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 3, Sentence 2
Odd-shaped conductors and equipment can usually be covered best with a rubber insulating blanket.
True or False?
True
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 3, Sentence 1
A line hose provides Qualified Electrical Workers ? when used on energized conductors.
a. a place to lie across to work on an outside phase
b. a margin of safety, for error without injury
c. a safe barrier against grounding themselves
d. the right to break the minimum approach distance of phase-phase conductors
b. a margin of safety, for error without injury
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 4, Sentence 1
All rubber insulating protective equipment must be treated with care, kept clean, and ? .
a. air dried when cleaned
b. inspected at regular intervals
c. stored out of the environment in metal cylinders
d. tested monthly
b. inspected at regular intervals
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 1, Sentence 1
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 18, Pgs. 720-721
New rubber goods issued to a Qualified Electrical Worker can be assumed to be in good condition.
True or False?
False
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 1, Sentence 2
A rubber protective line hose provides the Qualified Electrical Worker an absolute barrier against injury while working on energized conductors.
True or False?
False
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 4, Sentence 1
The use of the protective equipment should be ? , along with all other aspects of hot-line work.
a. carefully planned
b. discussed at the morning briefing
c. regarded casually
d. second nature to the Qualified Electrical Worker
a. carefully planned
Reference: Protective Line Devices, Care and Use, “Care, Use, Cleaning of Rubber PPE,” Paragraph 8, Sentence 1
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 18, Pg. 722
Ozone is created by ? from the oxygen in the air, generally in quite low concentrations, but enough to damage rubber over time.
a. moisture
b. static electricity
c. sunlight
d. ultra violet rays
c. sunlight
Reference: Protective Line Devices, Care and Use, “Ozone,” Paragraph 2, Sentence 2
A natural enemy of rubber that can be removed by hot, soapy water is ? or grease.
a. corona
b. creosote
c. oil
d. ozone
c. oil
Reference: Protective Line Devices, Care and Use, “Suggestions for the Care of Rubber Goods,” Number 7, Sentences 1-2
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 18, Pg. 718
A luminous discharge due to ionization of air surrounding an electrical conductor with a voltage gradient exceeding a certain critical value is called ? .
a. arc flashing
b. corona
c. flashing over
d. radiation exposure
b. corona
Reference: Protective Line Devices, Care and Use, “Ozone,” Paragraph 2, Sentence 5
The strain or elongation of rubber is caused any time the rubber is distorted from its natural shape.
True or False?
True
Reference: Protective Line Devices, Care and Use, “Ozone,” Paragraph 4, Sentence 1
Two things that contribute to ozone cutting damage of rubber are misapplication and improper ? .
a. cleaning
b. handling
c. storage
d. testing
c. storage
Reference: Protective Line Devices, Care and Use, “Ozone Cutting of Rubber Protective Equipment in the Field,” Paragraph 1, Sentence 2
The highest maximum use voltage for rubber insulating equipment for a phase-to-ground exposure is ? .
a. 16 kV
b. 26 kV
c. 36 kV
d. 46 kV
c. 36 kV
Reference: Protective Line Devices, Care and Use, “Letter of Interpretation,” Paragraph 9, Number 2
A second point of contact is the point ? .
a. during the contact when equal potential grounding reduces the current value to zero
b. when protective equipment opens the circuit
c. where current leaves the body if contact is made with a hot circuit
d. where grounds are attached to the neutral
c. where current leaves the body if contact is made with a hot circuit
Reference: Protective Line Devices, Care and Use, “Introduction,” Paragraph 1, Sentence 4
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 18, Pg. 706
The most common live-line work method on distribution voltages in the electrical industry is the ? method.
a. bare hand
b. hot stick
c. PPG
d. rubber glove
d. rubber glove
Reference: Protective Line Devices, Care and Use, “Introduction,” Paragraph 1, Sentence 1
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 18, Pg. 715
A rubber blanket rated for 20,000 volts is placed over a line hose that is also rated at 20,000 volts. This combination of protective equipment has an insulating value of ? .
a. 20,000 V
b. 30,000 V
c. 40,000 V
d. 60,000 V
a. 20,000 V
Reference: Protective Line Devices, Care and Use, “Suggestions for the Care of Rubber Goods,” Number 10
The minimum distance between the cuff of a class 2 rubber glove and the cuff of the leather protector is ? .
a. 1”
b. 2”
c. 3”
d. 4”
b. 2”
NJATC Safety Handbook, Chap. 5, Pg. 48, Table 4
The Guidebook for Linemen and Cablemen 2nd Ed. Textbook, Chap. 18, Pg. 717
