In this short video we look at a metal back box.
This video has been designed to go on the YouTube shelf as a short video in portrait mode.
Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2 and 3.
You can follow me day by day on Facebook, Instagram, Twitter and TikTok lookout for "GSH Electrical”.
#GSHElectrical #Electricaltrainingvideos #switch #lighting
