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I think the OP means PVC/plastic boxes which for most part come with a pre-scored 20mm Ko
Discuss Can you fit 25mm conduit to a 20mm back box? in the UK Electrical Forum area at ElectriciansForums.net
That is a conduit reducer, like a push on coupler with 20mm one side, 25mm the other and not an adaptor for the end with a thread onView attachment 105823has anyone ever used these?
Just had a quick look at these, they look good. Have you seen the Milwaukee power tool which does the same thing? Very impressive but very expensive at the same time for what it does. The Q Max cutter looks a great alternative. It says to use and Allen key or spanner/socket set to tighten up but do you know if a socket attachment for an impact driver would work to make it quicker?I have bought Q-max punches before from both of these places:
Q Max Sheet Metal Hole Punch Metric | Hole Punches
Buy Q Max Sheet Metal Hole Punch Metric and other Q Max Hole Punches at Tooled-Up.com. Fast Delivery.www.tooled-up.comHowever there are other places you might find them, not always as good value or in-stock:Toolbank Express — Toolbank Marketing
www.toolbank.com
Q-MAX Cutter Round - Metric
Q-MAX Cutter Round - MetricQ-Max Cutter for manually punching holes in sheet steel up to 1.6mm and aluminium up to 2.0mm. Very simple 100% British made tool that has been in production for over 50 years. To use, you simpstakesys.co.uk
So i can put my 25mm conduit into this have a very small 20mm out the other side and then a female and male adapter to connect to the 20mm back box! Probably i very long way to do it but it should still work. Does that make sense? HaView attachment 105823has anyone ever used these?
So i can put my 25mm conduit into this have a very small 20mm out the other side and then a female and male adapter to connect to the 20mm back box! Probably i very long way to do it but it should still work. Does that make sense? Ha
So i can put my 25mm conduit into this have a very small 20mm out the other side and then a female and male adapter to connect to the 20mm back box! Probably i very long way to do it but it should still work. Does that make sense? Ha
Ok thank you, its not for a customer, its for me i like the idea of making the whole biggerYes you could do that, but it will be an ugly mess, hopefully this isn't for a customer!
If the cables can fit through a 20mm hole why are you using 25mm conduit?
And if a 25mm conduit is required for number/size of cables then drill the 20mm hole out bigger with a cone cutter/step drill.
Reply to Can you fit 25mm conduit to a 20mm back box? in the UK Electrical Forum area at ElectriciansForums.net
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