That is correct. You have the old MK sockets from aprox 1964. Metric screws generally will be ok but if loose re use the old ones in the side fixings. Any new socket will fit these old boxes but Check the top and bottom fixings dont foul the new socket, if so then snap off by twisting off with a pair of pliersI seem to recall that imperial threads 4BA were larger than M3.5
Why not reuse the 4BA screws in the side lugs...if the box has them, not all do.
I have a spured scocket in my loft, but I want to create a small ring main using this spur. Can I wire a fused spur from this spured scocket then wire a 3 double scocket ring main from this? Thanks
You will not get 4 hole sockets anymoreThanks to all for advice. The sockets have 4 screws holding the switch 2 top and 2 bottom. I have tried to google new sockets with 4 screw holes but can not find any on the Internet. They are MK sockets.
The 4 holes won't line up with the holes in the sockets/existing boxes though AFAIK.If you have no side lugs you could try fixing these over the existing boxes then fit a normal socket
http://www.tlc-direct.co.uk/Products/MKK2202.html
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