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Discuss Dumb question - Drilling into an electrical cable in the Industrial Electrician Talk area at ElectriciansForums.net

D

DanBrown

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Just a quick simple question guys,

If you were to say drilling into a wall and their were hidden cable there. What would actually happen if you do drill into one with regards to electric shock, or does the drill usually have some kind of design safety to stop electricution.

Have you done it before?, and what was the outcome?.

Thanks for all your responses
 
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R

RABEC

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  • #2
the drill generally will be insulated as to not get a shock and hopefully the breaker or fuse should activate and blow the circuit.
oh and there'd be a loud bang!!
 
W

wayne

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  • #3
most drills are double insulted these days your drill bit will probably melt also!!!!
 
D

dragon-av

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  • #4
is quite funny when you hit a PABX cable with a 12mm SDS+ bit the phone starts ringing then stops when you stop the drill and then starts again....quite funny when its not you holding the drill!

Hitting a mains cable normally is quite obvious but can be dangerous if you just nick the sheath then put a conductor in the hole (expanding bolts and unisulated spanner can be apainful and dangerous.

That said i once found a live uninsulated mains cable in a stud wall when my arm was in the wall to the elbow!
 
S

solo2771

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  • #5
I did this in Turkey and it flashe went bang melted the end of the drill bit a little and tripped the mcb and made me swear no shock tho
Paul
 
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