See diagram below. Ive bought a volex shower consumer unit kit which has an mcb and an rcd in so i can fit the shower.
Rewiring Explained Homebuilding
Shower consumer unit wiring diagram. Any advice appreciated and if you know of a wiring diagram thats easy to understand that would also be appreciated. Thanks in advance. The modern consumer unit is the centre or heart of the wiring system in the home. Pouse around the house 62600 views. If the cable route is under 13m and the shower is rated up to 8kw use 6mm 2 cable and a 45amp rewireable fuse. Measure the distance between the consumer unit and shower heater to work out how much cable you will need.
If the cable route is over 13m or the shower is rated up to 10kw use 10mm 2 cable and a 45amp cartridge fuse of mcb. You may find that you need to drill holes through joists to get from the consumer unit to the shower if this is the case ensure that the holes you drill are in the middle of the joist and are large enough to safely route the cable through. Wiring an electric shower electric and power shower installation. Ive run a cable from the fuse in my main consumer unit but i am not sure how to wire the volex cu up. The unit distributes the electricity via fuses of one kind or another to the different circuits in the house. Electricians day installing shower circuit and consumer unit find.
If the route is over 20m use 16mm 2 cable and a 45amp. The older fuse wires are being replaced gradually by their modern equivalent the mcb or miniature circuit breaker. 18th edition consumer unit upgrade.
Gallery of Shower Consumer Unit Wiring Diagram
