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Any electricians on the forum

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Oddjob:
Fairly sure there are a couple but I need some advice.

I've just had to replace one of my storage radiators, the one I removed just had a double pole socket running on economy 7, the new one needs not only that but a mains powered feed as well. Not a big problem as luckily this one is situated right next to a double ring main socket. However the new one has features the old one doesn't. As a result even though I've always done all my own electrics I'm not sure if what the manufacturers are saying is actually needed, I mean by that, it's brand new, surely they are making a safe product, why do they need you to test the insulation with a 500v test voltage? why do they need to check how many Kwh it's consuming on it's first charge for instance?

Here's a link to the installation manual, https://www.electricradiatorsdirect.co.uk/manuals/technotherm/Technotherm-TTB-E-Duo-Storage-Heater-Manual.pdf go to page 9 and have a read, let me know what you think, I've fitted at least 8 storage radiators and they've always been just wire in, switch on and open the windows as the bricks smoke like a bitch the first charge.

Let me know what your thoughts are please.

AshimotoK0:
Probably just protecting their ar$e Ken.
Do you have a consumer unit with 30mA RCD's? If so you should have no worries. Mine kept tripping over Christmas because there was a bit of toasted teacake bridged between the metal frame and the heating elements.

Oddjob:
The main fuse box is an RCD one but the economy 7 one is still an old MK Sentry fuse box, with popup fuses not the old fuse wire ones. I've been thinking about changing the fuse box for an RCD one for a while now and at the same time changing all the wires for brow/blue instead of the red/black they still have. Might do that soon. Even if I just change the box and the wire running to the new heater that would be a start.

Sesman:
Testing at 500v is just to test final circuit cable insulation . Don’t test the actual appliance at 500V

Oddjob:
What exactly are they testing though Phil, that the cables not cut?, earthing out or leaking somehow?

I’ve had all the sockets tested with some sort of meter which detects if it’s earthing etc, they all checked out fine.

I’ve totally rewired my house twice now, once to replace the old 1950 braided cable wiring with modern red/black solid core 2.5 t&e etc and then another when the single ring main that was fitted from new started to trip out with the demands made on it, now the house has 4 ring mains, up, down, kitchen and garage. Since doing that and replacing all the wires with the euro brown/blue stuff it hasn’t tripped except when the wife blew up the toaster. I didn’t change the economy 7 wires as most of them aren’t used these days, the house is well insulated and I don’t need as much heating as I used to. However I always intended to as I like to do the job right and those are the last red/black left in the house.

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