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Old 08-17-2009, 02:21 PM   #1
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Chasing a wall for wiring


I want to chase an internal brick wall to run a spur off an existing electrical socket to the other side of a room to create another socket. How deep do I need to chase the wall. Also can I just cement the cable in or do I need to use trunking ?

Many thanks for any help.

Rich

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Old 08-17-2009, 02:32 PM   #2
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Chasing a wall for wiring


If you need to notch the brick (block? mortar?), it must be 1 1/4" deep.

Also, it is supposed to be UF cable..... but that's only a technical foul in my opinion. A little mortar isn't going to damage the cable..

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Old 08-17-2009, 03:23 PM   #3
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Chasing a wall for wiring


Thanks for the reply.

I have been on many forums to find out the correct depth and I have seen various measurments from 60mm to 20mm. I also wanted to use mortar to seal the cable in, do I need a conduit to fix the cable into the channel first or will the cable hold while the mortar is applied over it and when it is drying ?

Thanks
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Old 08-17-2009, 04:10 PM   #4
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Chasing a wall for wiring


How about telling us what country you are in?

From your name we'd think the US, but from your writing I'd say the UK.

This DOES make just a bit of difference.
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Old 08-17-2009, 06:49 PM   #5
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Chasing a wall for wiring


Quote:
do I need a conduit to fix the cable into the channel first or will the cable hold while the mortar is applied over it and when it is drying
You don't need conduit in most cases. A cable will hold itself in the properly sized notch. If not, find something that will hold it in place until the mortar is applied.
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Old 08-18-2009, 12:58 PM   #6
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Chasing a wall for wiring


Hi Speedy Pete, I'm from the UK Sorry for confusion.
I have chased the wall to a depth of 30mm and this depth appears to be deep enough to allow a conduit to fit well inside the chanel without protruding.
Good advice 220/221.

Many thanks for your help.

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