pn 769 incidents involving electricity Flashcards Preview

Naths London Fire brigade Bibliography For Lff 2020 > pn 769 incidents involving electricity > Flashcards

Flashcards in pn 769 incidents involving electricity Deck (6)
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1

how long fire resistance does a sub station have

4 hrs

2

wind turbines also present what hazards

battery acids and still produce risk of electric when turbines are locked

3

monitors or alp no closer than ? from live conductors

30m

4

no ladders or alp closer than ? to over head power lines

10m

5

Electric gloves are rated to

3300v

6

High volts is

1kv AC
1.5kv dc