New build outside socket help

onstagefool · 2024-11-14T22:19:43+0000

Hello,

Recently moved into a new build. Outside there is the wiring (behind a blanking box) for an E/V charger to be installed. It is wired into the MCB on a 32amp fuse.

Would it be possible to install an outside double socket on this wiring without any issues?

Thanks

Martin ( a have a go at everything guy )

Fleeting · 2024-11-14T22:29:26+0000

Yes provided it has 30ma RCD protection.

onstagefool · 2024-11-14T22:33:24+0000

Fleeting said:
Yes provided it has 30ma RCD protection.

As in the socket needs to have the 30ma protection?

Fleeting · 2024-11-14T22:42:06+0000

Yes but this may already be in place at the consumer unit, can you show a pic?

NozSpark · 2024-11-14T22:58:01+0000

What are you wanting to use the socket for?,,, as there is a specific section of the regulations that covers supplies for charging electric vehicles in which it requires extra protection measures over and above just being RCD protected

onstagefool · 2024-11-14T23:24:06+0000

NozSpark said:
What are you wanting to use the socket for?,,, as there is a specific section of the regulations that covers supplies for charging electric vehicles in which it requires extra protection measures over and above just being RCD protected

I am planning to use the socket just for outdoor work....mowing the lawn...maybe xmas lights.

SPECIAL LOCATION · 2024-11-14T23:31:20+0000

onstagefool said:
Hello,

Recently moved into a new build. Outside there is the wiring (behind a blanking box) for an E/V charger to be installed. It is wired into the MCB on a 32amp fuse.

Would it be possible to install an outside double socket on this wiring without any issues?

Thanks

Martin ( a have a go at everything guy )

If this wiring has never been previously energised... AND there are no records of any test readings on your electrical certificates...
Then it would first need "Dead-Testing" to confirm it is safe to energise..

Then once the dead testing has proved satisfactory it can be energised so that live testing of earth-loop impedance and RCD operating times can be confirmed appropriate for a double socket...
e.g. that in the event of a fault it would disconnect the power source fast enough so as to ensure no serious (or fatal) electric hazards to people or animals...

BUT.. if it is going to be used for charging an EV.. then as Noz says.. there are a few more additional hoops to jump through before you could be sure there will not be any issues!
(Which are typically outside of the scope of DIY!)

SPECIAL LOCATION · 2024-11-14T23:44:45+0000

Forgot to add....
Back in my college days... A favourite phrase from one of our lecturers was...

"Any idiot can join wires to make something work... But good electrical design, installation and testing is about ensuring that the power is disconnected fast enough before you kill someone!"

Outdoor electrical work always has an increased level of hazard and danger than indoor work!

If you don't have access to suitable, continuity tester, Insulation resistance tester, RCD tester..
Then you could hire some test gear for a day...

But if you don't know how to use the test gear..
Its probably cheaper & safer all round to get a local electrician on board to ensure a safe addition to your wiring.

New build outside socket help

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