junction box help waterproof

[h901]

hi

i'm just looking for some help and ideas with a problem i'm facing when installing junction boxes for cameras

the box comes like the pic below but i have to remove the gland to fit the steel conduit as it doesn't fit through the hole (i've asked around at local wholesalers for one that fits but no one has any) but the problem is when the steel conduit goes direct to the box there is a large gap around as the hole is quite large (see second pic below), so i was wondering how i could seal the entry to prevent water entering the hole, i've used some self amalgamating tape for temporary measures.

thanks

 

[Pete999]

You probably won't be able to create a seal as you have ruined the IP integrity of a perfectly good junction box, why use metal conduit rather than cable?

 

[h901]

You probably won't be able to create a seal as you have ruined the IP integrity of a perfectly good junction box, why use metal conduit rather than cable?

do you mean just the cable itself? as the whole run is done in steel conduit so it'd look funny if it ends up connecting to the box with just the cable, also the cable is ok 6mm so they'll also be a big gap around it

when using the flexi conduit the glands that come with it conveniently fit perfectly (adaptalok fittings)

 

[telectrix]

if your cable comes in steel conduit, then fit a metal conduit box. fill with gel once connections have been made. fit gasket to lid.

 

[h901]

if your cable comes in steel conduit, then fit a metal conduit box. fill with gel once connections have been made. fit gasket to lid.

thanks, but the junction box in the pic is needed to hold the camera up (it's a camera specific one) also what gel should I get (never knew of it until now lol)

 

[telectrix]

Magic Gel 3 1L - Toolstation - http://www.toolstation.com/shop/Electrical/d190/Exterior+Wiring+Accessories/sd2659/Magic+Gel+3/p54839

 

[h901]

cheers bud, really appreciate it

 

[HandySparks]

What's the thread in the box. Will a conduit reducer fit?

Galvanised Steel Round Conduit Reducer 25mm-to-20mm, HR2G - http://www.discount-electrical.co.uk/product.php/167451/galvanised-steel-round-conduit-reducer-25mm-to-20mm

 

[westward10]

Wrong size hole for conduit, Magic Gel. Tis going to look a fine job.

 

[davesparks]

put a reducer in the hole to take it down to the right size for the conduit

 

[h901]

thanks everyone for all the replies, really appreciate it. i'm going to try get a reducer and see if it fits, if not then i'll have to get some magic gel (really expensive lol)

 

[westward10]

Get enough reducer and do the job correctly.

 

[Wilko]

Get enough reducer and do the job correctly.

Yes, I was just having this thought while sipping on the evening tipple. If I see it correctly (???) the bottom pic has 25mm thread, so why not just use adapter or some 25mm conduit, suitably threaded.

 

[westward10]

Probably a Mickey Mouse thread.

 

[davesparks]

thanks everyone for all the replies, really appreciate it. i'm going to try get a reducer and see if it fits, if not then i'll have to get some magic gel (really expensive lol)

Magic gel doesn't replace connecting the conduit to the box!

 

[westward10]

Think it may well do

 

[h901]

so, just an update, i got the conduit reducer and tried it and it fits, thanks again everyone

Magic gel doesn't replace connecting the conduit to the box!

you're right, didn't think of it like that

Probably a Mickey Mouse thread.

what does that mean?

 

[westward10]

Was thinking maybe it wasn't a conduit thread but some Chinese thread which fits nothing.

 

[freddo]

PG thread is the type used on most crap electrical products.

 

[telectrix]

so the thread is about tea now?