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Stuart Todd

Just discovered the old wiring for the immersion heater. We have very few sockets in old victorian house. The immersion heater wiring was left in a terminal block wrapped up in masking tape!

I changed the old wylex fuses on the CU to use MCB, thankfully I switched the 16A fuse off for the immersion socket some time ago. Now I have some wiring to play with, I have a couple of questions:

1, Can I use the wire to set up some new sockets. It is likely the sockets won't be used to pull much. Although it depends on below.
2, I haven't measured the size of the cable yet, if it is 2.5mm t&e, what's the width of the cable and would I be able to switch the 16A with 32A at the CU?
3, Do I put it in a junction box and have the cables feed out from this?

Many Thanks
 
1, Can I use the wire to set up some new sockets. It is likely the sockets won't be used to pull much. Although it depends on below.
2, I haven't measured the size of the cable yet, if it is 2.5mm t&e, what's the width of the cable and would I be able to switch the 16A with 32A at the CU?
3, Do I put it in a junction box and have the cables feed out from this?

You may be able to use the cable for sockets, provided it is in good condition (insulation resistance tests will help determine).

If modern T&E, it is likely to be 2.5mm2, if older imperial cable it will likely be of a similar size (and rating). Assuming so, then NO, you cannot just change the 16A MCB to a 32A one, the cable might be damaged by overloading (melt) before the MCB would trip.

You might be able to use a 20A MCB, but you need to know that the disconnection times are met as well as the cable rating.
 
Hi dude,may i suggest that the phrase "...some wire to play with..." may provoke some spirited and curt responses. You have been tipped...:stooge_curly:
 
Hi dude,may i suggest that the phrase "...some wire to play with..." may provoke some spirited and curt responses. You have been tipped...:stooge_curly:
and i'd like to warn you the phrase ''you have been tipped'' might be a reference to frotteurism
 
I tried pulling my mates car with some cable once, snapped though
 
I tried pulling my mates car with some cable once, snapped though

obviously you mis-calculated he cable type and size. S = (W x V)/ ( sq.rt. T ), where W is the weight of your car, V is the towing speed, and T is the time for the journey.
 

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