Discuss today's fault in the UK Electrical Forum area at ElectriciansForums.net
thought that at first, but it has been running on a 13A 1362 quite happily before the cable failed.
Hi Telectrix,
I wired a hot tub not too long ago and went by the supplier spec.
They requested a C type 20A mcb, due to start up surge. Also, i wired the supply from the C type mcb in 2.5 swa, into an isolator which also had a commando socket outlet. The company then hooked up the hot tub from their end into the commando socket.
If you do put an RCBO, make sure its C type, as you may have problems on start up.
Steel instead of copper in the t&e, I know now I probably should have tested first and to be honest I agreed to do the job as a favour for a friend and I'm starting to regret it, and yes I am an electrician I have spent my seven years on new build schools so my domestic fault finding ability is non existent.
I think we've scared him off with all this talk of technical stuff like EICRs and testing. I'm thinking he's a DIYerThere are electricians and Electricians. I asked, because the terminology you are using does not sound like someone who has undergone any formal training. My wife is not an electrician, but she knows that you do not get steel in T&E....
What is the hot tub sitting on Tel, ...hopefully not on bare ground or grass?? lol!!
When it stops raining, (..lol!!) check the integral control panel, as most modern hot tubs and Jacuzzis incorporate their own RCD protection.
Personally i wouldn't connect a PME/TNC-S earth to a a hot tub etc that's sitting on concrete, bare ground, grass or tiled concrete base/patio. In such cases go for an earth rod. I think as someone pointed out on another recent thread, that the Reg's call for a local 20 ohm (or lower)) Ra rod to be connected to a PME supplied hot tub/jacuzzi, but i wouldn't recommend that, especially as the users will be walking around with wet and bare feet!!
With TN-S i wouldn't be too bothered, but still prefer to see these tubs sitting on a sturdy built treated hard wooden base and surround...
Well...yes, someone comes here politely asking for a bit of advice and gets bombarded with interrogation and accusations by the usual do gooder, electrical police types. Why should someone who's only ever worked on new builds know what cable was made out of in the 50's. Its not as if they teach it at college.I think we've scared him off with all this talk of technical stuff like EICRs and testing. I'm thinking he's a DIYer
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