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It's wall mounted with cable in conduit on the wall. I want to move it further around the wall but it'd need to go under the front door, ideally. That would involve me lifting slabs and putting the cable under them. Any problem with doing that? I guess I'd run some conduit under the slabs? Or is there something else I should use?
Another option is to go over the door, not sure if I would like the appearance of that.
Last option is to go inside the house. Easy to route the cable in the ceiling, I suppose, but will the regs let me do this?
At a minimum I would say dig it to a reasonable depth, use armoured cable or conduit and use electrical warning tape above the cable to warn anyone who inadvertently digs down over it. You might not be living there forever
I'm the last person for DIY advice but my cable runs from the cellar and under paving blocks in a channel of dirt.
Just a trench and SWA cable.
I’d just run SWA in conduit. Don’t forget that you might need to run a network cable with it for the CT sensor for load limiting. Doncaster Cables make something called EV Ultra, which although expensive has the additional cores incorporated into it.
If using SWA then be careful how you handle the earthing arrangements of the cable, as it may be necessary to ensure that the cable is not earthed to your house supply in order to ensure protection in the event of a PEN fault.
I would simply extend the existing cable that goes into the device, so the actual wiring arrangements would not change.
bit of leccy tape (double wrapped) and you'll be fine 😀
You don't say what sort of cable it is. Ours goes under the door but the installer used SWA cable. It was exposed where it went under the door but I asked the installer if it was ok to subsequently extend some existing (brick) steps to cover it and he was ok with that. If it was normal cable I'd probably been a bit more cautious and use conduit to protect it.
I don't know what sort of cable it is, I haven't opened anything up yet. It is inside conduit.
What sort of conduit, plastic, galv? The biggest concern is a junction box which is water tight and capable of safely handling the current.
Plastic.
Considering doing it inside the house now - but the cable comes out of the back of the consumer unit so I would have to take that off the wall and I'm not sure I'm allowed to do that..?
Another possibility is to drill back into the wall at the right height and feed the cable back in from outside into the ceiling space. That's probably the easiest option tbh and makes it easier in future if someone wants to move it back. That way, the junction box would be inside the house and at least be dry.
take that off the wall
really?
typically you take the front panel off and then you can just take cables out or put them in through the huge gap in the frame. Once you’ve disconnected them from the contacts that is.
Aren't these chargers 3 phase ?
So any mistakes its not a wallop of a shock you get, its a case of you'd be very lucky to survive.
Get an electrician in, to be safe.
Aren’t these chargers 3 phase ?
Nope.
So any mistakes its not a wallop of a shock you get, its a case of you’d be very lucky to survive.
Get an electrician in, to be safe.
yep, regardless.
And it’s not so much the chance of shocking yourself on install. It’s more to do with getting the earthing arrangements wrong and blowing up you/your partner next time you touch the car whilst it’s charging.
Or to nick a common phrase from an electricians forum: once you’ve updated the install, how are you going to test it’s safe? Presumably you have all the test equipment, right?
So any mistakes its not a wallop of a shock you get, its a case of you’d be very lucky to survive.
I know how to turn stuff off.
Also, I'm not installing it, just extending the cable. It has already been installed by a professional electrician.
Mols,
As I said the risk is not turning stuff off. You’re unlikely to blow yourself up there. I’m sure you know how to do that. But how will you test that the earth impedance once you’ve re-terminated all the connections is good enough? Do you know the test limits - I don’t. Do you know the correct torque for the terminals?
I know I know it’s elf and safety gone mad but I’m old and boring so I know we have these rules to reduce the 0.001% chance of you self-detonating to 0.00000000000%
Why do you need to move it? Could a longer charge cable do the job? You could even put the longer charge cable through a conduit if you wanted a tidier look.