Response to Power lines/Energized Electrical Equipment MP205.20 Flashcards Preview

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Flashcards in Response to Power lines/Energized Electrical Equipment MP205.20 Deck (11)
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1
Q

It is our policy to respond to reports of power lines down and other hazards involving energized electrical equipment (transformers, substations, electric vaults) for what 2 purposes?

A

Fire Control and public safety.

2
Q

An indirect path to ground occurs when you are holding something or touching an object that is in contact with something that is what?

A

Energized

3
Q

Use caution when spraying water on or around energized electrical equipment. Hose streams conduct current! Never what directly into the power lines?

A

Spray

4
Q

Electrical equipment is classified as what 3 ways?

A
  • Energized
  • De-energized (cannot be 100% guaranteed)
  • Dead (confirmed by utility representatives after grounding the lines(s).”
5
Q

RESPONSE TO POWER LINES DOWN

6 action

A

• Request utility company
• Consider all down wires as “energized.”
• Place apparatus away from not under or near “down lines and power poles”
• Secure the area/deny entry.
• Periods of high activity; company officer may choose to leave one (1) crewmember on-scene with a
radio to wait for utility company.
• In the event of multiple lines/poles down over a large area, call additional resources.”

6
Q

Down Power Lines on or touching a Vehicles

5 action

A

• Request utility company.
• Do not touch vehicle
• Have occupants remain inside the vehicle
• Place apparatus a safe distance away from down lines.
• If occupants must leave the vehicle (fire or other threat to life) instruct them to open the door, not
step-out! They should jump free of the vehicle without touching vehicle and ground at the same
time; they should walk away from the vehicle with very small steps”

7
Q

SUB-STATION, TRANSFORMER, ELECTRICAL VAULT AND MANHOLE FIRE

6 action

A

• Request utility company.
• Clear the area.
• Be aware of explosion potential.
• Place apparatus in a safe location away from overhead power lines.
• Protect exposures.
• Do not make entry until the utility representative has verified that the above electrical equipment
has been de-energized. The utility representative may have to make entry to uninvolved sections to
safely de-energize the equipment.”

8
Q

RESPONSE TO POWER POLE FIRES

5 action

A

• Request utility company.
• Consider all wires and poles as “energized.”
• Place apparatus away from “down lines and power poles” and out from under involved overhead
lines that could fail and fall onto equipment or personnel.
• Secure the area/deny entry.
• Do not make any fire attack until the utility representative has verified that the electrical equipment
has been de-energized.”

9
Q

Lock out of down power lines occurs after how many attempts to re-energize?

A

3

10
Q

Always consider downed lines what?

A

energized

11
Q

Never spray directly into power lines, use a

______ at the base of the pole.

A

fog spray

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