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Discuss Hottub problem over heated plug in the DIY Electrical Forum area at ElectriciansForums.net

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I also have a hottub mines the lay-z-spa paris specs say voltage 220-240V ~ 50Hz, 2050W at 20°C.
I fixed the melted plug my fault used on a thick camping cable plugged into mains in house. so now doing the job properly.

I have fitted a double ip67 waterproof socket on the outside of my shed with the twin & earth cable going into the shed with a double socket.
In the house the lounge has 4 double sockets on a dedicated ring main, 32a rcd, what i would like to do is split the ring at the nearest point which is less than a couple of mtrs away from the shed. Run a 2.5mtr cable into the shed add 2 extra double sockets plus the outside one and then run a 2.5mtr cable back to the house thus reconnecting the ring main. one of those sets of wires coming back into the house would need to be joined together, would crimping be better or choc block??
 
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Pete999

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Q/Whwew have yoi taken the supply to the IP rated socket from, I'm guessing you have spurred it from the RFC in the house correct?
 
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i havent done yet but i have checked both sides of the socket cables and both are live when seperated so thats why i know its a ring and that goes back to the main house fuse box with the 32a rcd. But yes i want to run from 1 of those 2 cables and come back into the other to complete the ring into the shed
 

telectrix

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Q/Whwew have yoi taken the supply to the IP rated socket from, I'm guessing you have spurred it from the RFC in the house correct?
think from his post, he's extending the rfc.
then run a 2.5mtr cable back to the house thus reconnecting the ring main. one of those sets of wires coming back into the house would need to be joined together,
 
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think from his post, he's extending the rfc.
then run a 2.5mtr cable back to the house thus reconnecting the ring main. one of those sets of wires coming back into the house would need to be joined together,
thats exactly what i want to do but can i crimp the2 wires together on 1 side of the ring coming back into the house or should i put in a choc block
 

Des 56

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If the connection is available for inspection(as it is if it is in a socket box)then either connector blocks or crimping or soldering is acceptable
Your plan seems well considered
 
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If the connection is available for inspection(as it is if it is in a socket box)then either connector blocks or crimping or soldering is acceptable
Your plan seems well considered
Thank you Des i wanted reasurance i was doing the right thing before i started as used to do lots of wiring when i was young and fit but not so much nowadays altho i try and keep up with wiring regs.
 

telectrix

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use wagos or ideal in line butt connectors. lik here:
 

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Ohhh boy they look nice and neat different from what i had to work with years ago thanks all will go and pick some up and get the job sorted
Thank you all for your inputs
 

Pete999

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i havent done yet but i have checked both sides of the socket cables and both are live when seperated so thats why i know its a ring and that goes back to the main house fuse box with the 32a rcd. But yes i want to run from 1 of those 2 cables and come back into the other to complete the ring into the shed
Just a point to remember Bappibear regarding Regulations regarding RFCs:
1 location of sockets to provide reasonable sharing of the loads around the Ring.
2 not supplying Immersion heaters, comprehensive electric space heating or loads of similar profile from the ring circuit.
3 connecting cookers. ovens and hobs with a rating exceeding 2kW on their own dedicated radial circuit.
I guess your Hot Tub of 2.05kW may fall under number 2, and whilst your method of test that it is a RFC may be right, it's not the recommned method just saying.
 
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use wagos or ideal in line butt connectors. lik here:
sorry but in your pic i see you have red and yellow connectors assume they are both 2 way or is there a difference between them
 
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Just a point to remember Bappibear regarding Regulations regarding RFCs:
1 location of sockets to provide reasonable sharing of the loads around the Ring.
2 not supplying Immersion heaters, comprehensive electric space heating or loads of similar profile from the ring circuit.
3 connecting cookers. ovens and hobs with a rating exceeding 2kW on their own dedicated radial circuit.
I guess your Hot Tub of 2.05kW may fall under number 2, and whilst your method of test that it is a RFC may be right, it's not the recommned method just saying.
there is no immersion heaters or any sort of heating on that ring its literally sockets and from what i can tell theres 1 double in the hall and 3 in the lounge. pic of main fuse box to show whats there.
the hot tub runs on a standard 13a plug and has an ip67 rated circuit breaker inline as standard so that should be covered under option 1
 

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Pete999

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there is no immersion heaters or any sort of heating on that ring its literally sockets and from what i can tell theres 1 double in the hall and 3 in the lounge. pic of main fuse box to show whats there.
How is the Hot Tub heated? you mentioned a load of 2050kW?
 
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Paignton pete

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there is no immersion heaters or any sort of heating on that ring its literally sockets and from what i can tell theres 1 double in the hall and 3 in the lounge. pic of main fuse box to show whats there.
the hot tub runs on a standard 13a plug and has an ip67 rated circuit breaker inline as standard so that should be covered under option 1
Washing machine and dishwasher on separate circuits. I like.

Up front RCD. don’t like, but when it was installed it would have met current regs at the time so you don’t have to do anything.

However in the event of a fault you will loose all your homes circuits if the RCD trips. We now have to design installations so that if a fault occurs minimal disruption the the installation occurs.
Sorry got a bit sidetracked to the post you are on. The above is not strictly a safety issue.

The different colour wagos are different makes. I would use the yellow ones as they are rates to 24A I think. Not sure about the red ones are rated at.
 
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