Ive just drilled through my 10mm shower cable!!

[MaxGray]

Hello All,
I drilled through my 10mm shower cable and wish to cut it and rejoin it, i've stripped back the plaster board and metal cable shield and cut the cable in half, but don't know how to join it back together again, there is no slack in the cable to use what B&Q gave me (an MK box with only three screws in it) Please Help!!
Rgds, Max.

 

[sparkwright]

The cable had a metal shield over (metal capping?) and you still managed to drill through it all?

Is this MK product a round 30 amp junction box by any chance?
If so, this is of no use to you whatsoever.

You should be thinking of replacing the entire length of cable.
Or, if this really isn't possible, you may be able to replace the length of cable in the wall, and do a joint in the loft space/floor space.

For 10 mm cable you need a 60 amp junction box, not to be found at B&Queue, or 10 mm crimps, if inaccessible. Heat shrink is essential, and must be done correctly. This method requires specialist tools. A junction box must be accessible and not buried in a wall. I wouldn't recommend burying over crimps either if you can avoid it, in case they fail.

So as stated, the easiest and best way is to replace the entire cable.

You may wish to employ a decent electrician to carry out this repair, because 10 mm cable isn't all that easy to work with.

 

[bernardgreen]

If the cable was live when you drilled through it then the damage will extend several inches either side of the drilled hole. Cut and repair with a single joint is not an option. Not even for a temporary repair.


Replacing all the cable is the safest option.

Joins can be made using the correct methods but they will be a weak point and the risk of a joint failing is significant. Failed joints can easily become hot enough to ignite surrounding materials.