In article , Lurch
wrote:

35mm is a little excessive for most things, they're usually reserved
for use with cooker switches and the like. 25mm is suitable for
sockets, tv points etc..

It depends. For digital feeds it is more important to not kink the cable, so
the extra depth of a 35mm box can be useful.

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AJL Electronics (G6FGO) Ltd : Satellite and TV aerial systems
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