Skip to content
IET EngX IET EngX
IET EngX®
  • Explore
  • Log in or register
IET Sites
  • Discussions
  • Wiring and the Regulations BS 7671
  • Career Development

  • Engineering Discussions

  • Wiring and the Regulations BS 7671

  • Tags
  • RSS
  • More
  • Cancel
  • How to post in the EngX Forums

    Read our guidelines here
searchtype = list 

We've found 4159 discussions.

  • Question about Earthing options for two 3 phase mains supplies 8

    • Replied 6 months ago by AJJewsbury
    • View latest
  • What's Ssc? 11

    • Replied 6 months ago by Jam
    • View latest
  • Principles of selectivity between upstream fuses protecting a parallel conductor distrib circuit and the downstream fuses 14

    • Replied 6 months ago by Newfutile
    • View latest
  • Should the UK domestic dwelling have a plant room 22

    • Replied 6 months ago by Roger B
    • View latest
  • Battery Storage Systems Public Available Specification 8

    • Replied 6 months ago by Chris Pearson
    • View latest
  • RCBO Issues 6

    • Replied 6 months ago by mapj1
    • View latest
  • Would a SPD within a CU at the origin of an installation cover other CU at the origin from surges too? 6

    • Replied 6 months ago by mapj1
    • View latest
  • Industrial Installation, Changing major components on the input. 7

    • Replied 6 months ago by Chris Pearson
    • View latest
  • Fuse size and type for 230V / 110V transformer 8

    • Replied 6 months ago by gkenyon
    • View latest
  • Existing Equipment, Location Issues not in line with BS 7671 section 729 3

    • Replied 6 months ago by AJJewsbury
    • View latest
<>

Join us to get the best from IET EngX.

Joining EngX lets you personalise your experience so you stay up to date on the topics that interest you, plus you’ll be able to make connections who are looking to collaborate, exchange ideas and more.

Join us Not now

Follow IET

Back to top

Community Areas

  • Career Development Discussions
  • Engineering Discussions
  • Wiring and the Regulations BS 7671
  • Support and Answers
  • Blogs and Articles
  • Meet and Connect
  • Events

Explore our technical topics

  • Built Environment
  • Design and Manufacturing
  • Electromagnetics
  • Electronics
  • Energy
  • Environment
  • Health and Safety
  • Healthcare Technologies
  • Information and Communications
  • Leadership and Management
  • Security
  • Transport

Need help?

  • Explore our help articles
  • Ask a question in the forum
  • Contact us
  • IET Home
  • Help
  • Cookies
  • Privacy Statement
  • Accessibility
  • Legal Notices

©2025 The Institution of Engineering and Technology

The Institution of Engineering and Technology is registered as a Charity in England and Wales (no 211014) and Scotland (no SC038698)

Community Rules & Guidelines

Welcome! Please register with the IET to join the community. It's free and takes less than five minutes.

Whoops, you don’t have access to that! Please register with the IET to join the community and access this area.

We're about to take you to the IET registration website. Don't worry though, you'll be sent straight back to the community after completing the registration.

Continue to the IET registration site

I'm already registered with the IET