A complete UK guide to installing outdoor sockets and garden power — IP ratings, cable types, RCD protection, burial depth, Part P notification, and how to plan a safe outdoor circuit from the consumer unit. Running a new power supply to an outdoor building counts as notifiable work. That simply means it must be inspected and certified. If you hire a competent person, they can sign the work off without you needing to do anything - simple! In conclusion, no permit is needed. This helps your electrician. A garden socket transforms how you use outdoor space — powering tools, lighting, water features, and EV chargers without trailing extension leads from the house. But an outdoor socket installation involves more decisions than an indoor one: cable type, burial depth, IP rating, RCD protection, and. Dedicated circuit or sub-board, cable sizing for distance, EV charging considerations. Installing an outdoor power supply for your garden shed can transform a simple storage space into a functional workspace or recreational area. A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge protective devices. The. Check your local codes, but the basic requirements are (1) adequate gauge wire and breaker, (2) GFCI protection on the circuit, and (3) special underground wire or conduit.