How do I mount an outdoor electrical box to line in mast?

[paulmars]

https://imgur.com/a/zunKryi

https://imgur.com/a/N9jtd5O

 

[Andy™]

with a suitable braket

 

[paulmars]

existing mast with cable tv and old burnt out lamp:  https://imgur.com/a/enI3scz

 

[kerching]

Where are you based...........I only ask as the pic looks like it is not BRITISH.....more American style?

also that lamp,with the PIR looks like its upside down to me

just saying

 

[Sharpend]

Where are you based...........I only ask as the pic looks like it is not BRITISH.....more American style?

also that lamp,with the PIR looks like its upside down to me

just saying

Not if you expect more visitors from above it isn’t!! Live near Rothwell by any chance? 

 

[kerching]

Not if you expect more visitors from above it isn’t!! Live near Rothwell by any chance? 

Good point!

there were a few kicking around the wholesalers here last year, detector at the top   The setting dials then faced upwards, water got in, smoke came out, tears followed