LAP Year 3 Part 2

How many classes of rubber protective equipment exists?

• 2

• 3

• 4

• 5

Which blanket is required for rubber gloving a three-phase, four wire circuit energized at 14,400 / 24,940 volts?

• Class 0

• Class 3

• Type 1

• Type 2

How often are rubber blankets required to be electrically tested?

• Once per year

• When their condition is in doubt

• 6 months

• Every 2 years

Which rubber glove is required for rubber gloving a three-phase, four wire circuit energized at 7,200 / 12,470 volts?

• Class 00

• Type 2

• Class 2

• Type 3

The maximum AC USE voltage for Class 2 rubber gloves is

• 7500

• 17000

• 26500

• 34000

What is “positive control”?

• Secure handling measures for moving energized conductors.

• The exact execution of the work procedures per the job briefing.

• The use of hot-line-tag for the duration of the work.

• Ensuring that adjacent locations are inspected prior to the work.

Minimum approach distances are based on

• The distance electricity can arc and the inadvertent movement of the worker.

• The class of rubber gloves and sleeves to be used.

• Transient overvoltage

• The distance electricity can arc plus 5 feet.

Effective job briefings occur

• At the beginning of the work week.

• When open communication by all crew members (regardless of rank) is welcome.

• Once a day.

• When everyone signs the job briefing document.

Comes in sizes such as 36” x 36” and some can be split or slotted.

• Rubber Blanket

• Universal Stick

• Rubber insulating glove

• Plastic cover-up

A pole guard is a type of this.

• Rubber blanket

• Universal stick

• Rubber insulating glove

• Plastic cover up