Metal Backboxes For UK Sockets and Switches
A look at various sizes of metal backbox, which are used for flush mounting UK sockets, switches and other accessories into the wall.
Usual depths: 16mm, 25mm, 35mm, 47mm.
Screw thread size M3.5 x 0.6
Older screw size 1960s and earlier 4BA
Knockout holes typically 20mm diameter, some may be 25 on deeper boxes.
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Видео Metal Backboxes For UK Sockets and Switches канала John Ward
Usual depths: 16mm, 25mm, 35mm, 47mm.
Screw thread size M3.5 x 0.6
Older screw size 1960s and earlier 4BA
Knockout holes typically 20mm diameter, some may be 25 on deeper boxes.
► Support this channel:
Patreon: https://www.patreon.com/jwflame
PayPal Donations: http://xo4.uk/?PPP
Amazon: https://amzn.to/30bKt4v (As an Amazon Associate I earn from qualifying purchases)
► Social Media:
Twitter: https://twitter.com/jwflame
Facebook: https://www.facebook.com/jwflame
Instagram: https://www.instagram.com/jwflame/
► Contact info, sending stuff in: etc.:
http://xo4.uk/?YTT
► Cryptocurrencies:
Litecoin / LTC: LKUs3auKZaAyXdW8jpFQPvRUXdQMAyZBMq
Dogecoin / DOGE: DEEtafwnWFYe4b5WnS4ssvzje1syomKMXT
Nyancoin / NYAN: KJFvs111Dgi78L6EpKryqnYtP229Wz1p9e
Bitcoin / BTC: 17V42yJRieu3T8KRaxwP1bP4kxDAgs4qaC
► Website - More on this video and many other subjects
Website: https://www.flameport.com
Page for this video: http://xo4.uk/?MBx
Видео Metal Backboxes For UK Sockets and Switches канала John Ward
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