hole size ?

ade2k · 21 Feb 2012

what size are the holes in a metal back box

EFLImpudence · 21 Feb 2012

20mm.

RF Lighting · 21 Feb 2012

Lectrician · 21 Feb 2012

ade2k · 21 Feb 2012

whats next 40mm

I think I will go with 20mm

holmslaw · 21 Feb 2012

333rocky333 · 21 Feb 2012

some have oval slots

ban-all-sheds · 22 Feb 2012

I'm sure all mine have holes which are 3-4mm dia.

sparkybird · 23 Feb 2012

blimey, must be hard to fit a grommet in that Ban...

ban-all-sheds · 24 Feb 2012

I will resist all smutty innuendos.

But screws go through just fine.

diynot

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hole size ?

holmslaw

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