What does it mean when it says danger 415 volts?

On the door of the sewer vent building of a sewer vent with a chimney which lets off gases. 

Anonymous2021-04-05T22:27:58Z

Danger means Danger.  I don't care why.

?2021-04-05T16:27:56Z

The electric supply is 415 volts (3 phase) and therefore dangerous.  

Time to work on reading comprehension. 

John Alden2021-04-05T12:09:52Z

Stay the **** out for safety reasons.

Spock (rhp)2021-04-05T11:27:09Z

duh .. there's electricity at 415 volts inside.  for reference, 415 volts is sufficient to kill you at the usual amperage used.

champer2021-04-05T08:21:41Z

It's a standard warning. Equipment in the building uses 415 volts, which is dangerous if you don't know what you're doing.

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