How to install Outside Power Socket

Outside power socket installation for jacuzzi. This video shows bad example of how to make a hole on a cavity wall as a start. Please don't follow same mistake I did when making a hole on house wall. Avoid breaking a wall!!! I also showed how I fixed the broken wall in side a house. Wiring size wasn't correct. - Later this was modified, shown in remedy video, 'Replacing Wire', link at the end of this video. (Sep 2021) The remedy video shows correct wiring size, and the method for wiring. With modified wiring and wiring connection onto socket, I am still using jacuzzi with the extension cable created to outside house, from one of the socket in a house, with 13A plug. (Jul6th'21) Advised by a viewer's comment, the following points have been reconsidered in 'modified version of this video, 'Replacing Wire'. (Sep 2021) 1. Wire size: 1.5mm^2 is being used, however recommended to use 2.5mm^2 instead. 2. The house power point I chose was 'spur' wire hub, (not round wire) in a house electric wiring, which must not have extra wire with a power socket. 3. For jacuzzi's use, a single wire must be prepared from main.