Uploaded December 2018 | Updated September 2026, 2 weeks ago

---

Zones for concealed cables in walls as defined in BS7671. Safe zones in the 17th edition and earlier, prescribed zones in the 18th edition.

Support this channel at Patreon: patreon.com/jwflame
Website: flameport.com
Website page for cable zones: xo4.uk/?Pr2

Twitter: twitter.com/jwflame
Facebook: facebook.com/jwflame
Instagram: instagram.com/jwflame

Contact info, sending stuff in etc.: xo4.uk/?YTT