Even if the upgrader is aware that the outlet has been switched in this way and duplicates the exact connections of the old one, they may not know to break off the metal tab on the "hot" side of the new receptacle, which isolates the top and bottom halves.

The result would be a switch that has no effect: all the formerly switched outlets will always be live.

The deadline for submitting comments is 23rd August 2017. Editorial corrections, consisting of minor changes to publications, will be made quarterly.

updating electrical wiring-30

This is your chance to view the draft document and comment on the proposed changes.

Find out how to view the draft and submit your comments on the DPC page.

You may print the documents for your own personal use.

No further electronic copying is permitted without written permission; however you are permitted to create a web link to this page, from which other people can then select and download documents.

Older houses often have what is called ‘knob and tube’ wiring.

This wiring is considered dangerous by most insurance companies today, making it hard to insure homes and buildings that incorporate it.This page provides information on the Draft for Public Comment for the 18th Edition IET Wiring Regulations (BS 7618), as well as updates to the current Edition: BS 7608 A15 and related publications.The DPC for the 18th Edition IET Wiring Regulations is now available.Kitchens wired in the 1960s may have a similar, easily missed complication.Other problems for replacing outlets come from forgetting to reattach a wire or attaching it in the wrong place.But why is it so dangerous that nobody wants to insure it?