Outside Cable Box Diagram. Roll back the screen over the top of the outer sheath. If you want to do it yourself youll need a cable explorer.
Any wire in a conduit that is outside must be rated for wet locations. Then cut through the main circuit cable and make the appropriate connections in the junction box. Fit the outdoor socket first then complete the job by wiring the cable into a suitable socket or junction box on a main circuit with rcd protection as you would for a spur.
Observe the wiring going in and out of the switch and determine if the cable for wiring is marked to indicate the live feed.
On the bottom of the box is a knockout that must be removed so the new electrical cable can be attached. Otherwise the arrangement will not function as. Outside phone box wiring diagram wiring library telephone junction box wiring diagram. You can use zip tie labels for this.