On Wednesday, 28 November 2018 14:23:08 UTC, George Miles wrote:
Must some electric clips be metal?

http://wiki.diyfaq.org.uk/index.php/...l_Installation

They have been available for years. Much cheaper than "tower"clips.
Dunno why they fell out of favour.

https://www.flameport.com/electric_m...ckle_clips.cs4