The main earth wire to the CU is joined with a screw type connector/bolt? on the board as per picture.
Is this ok or will it need upgrading, ie, crimped or something when the new Wylex CU is fitted?
And any recommendations on a new isolator switch to replace the RCD installed between meter and CU?
Is this ok or will it need upgrading, ie, crimped or something when the new Wylex CU is fitted?
And any recommendations on a new isolator switch to replace the RCD installed between meter and CU?