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Whatever method I use for the underground section, is it permissable for the cable/conduit to enter the garage via a short, right-angled, duct buried in the foundation? I read somewhere that the cable/conduit should rise up on the outside of the garage wall to a height of 150mm above the DPC...

The old garage installation actually has the supply cable within a old, thick walled, steel gas pipe buried just below the surface, tightly sandwiched between the drive and the patio. I have seen no mention of using steel conduit in my research for the new installation. Some of the current...

Many thanks for the info. I was intending to use bricks & coping stones to protect the underground plastic conduit.

Thanks for the info! The cable will probably be ordinary 4mm2 twin&earth. From the CU/RCD, the cable will enter the house loft via about 2m of plastic conduit, buried less than 50mm in a wall. Apart from the underground link (via plastic conduit) to the detached garage, the rest of the cable...

I am shortly going to fit a power supply to a new garage. I think I understand the basic logic of fitting an RCD to protect a circuit where some, if not all, of the cable is buried in a wall. Can I fit the RCD directly downstream of a plug-in MCB located in an old Wilex CU fuseway? If...