I'm installing a couple of outdoor sockets and intend to run 20mm conduit between them.
However I have a couple of questions.
1) The sockets come with a rubber gland which fits into one of the knockouts and is sized to take a 20mm conduit. Because this is rubber the conduit feels a looser fit than it would with a plastic male or female adapter. I accept water may work it's way into the sockets in either case and they have drainage holes, however do people think the rubber grommets or a solid (fe)male adaptor are a better solution?
2) I've installed 20mm conduit previously to metal clad accessories and using round terminal boxes. In both of these cases I've used 20mm saddles to fix the conduit to the wall. With the outdoor sockets I find that the 20mm knockouts are spaced away from the wall leaving a gap of, I'd guess, 1cm behind the conduit. For plumbing pipe you can buy spacers which you fit behind space clips to space pipe out appropriately where needed however I can't find anything suitable for 20mm conduit? Through trial and error I've found if I stack 3 of the wall mounts on top of each other and then screw the saddle into the third, this gives the right spacing however feels a bit of a bodge (and a waste of saddles!) Is there a better solution?
However I have a couple of questions.
1) The sockets come with a rubber gland which fits into one of the knockouts and is sized to take a 20mm conduit. Because this is rubber the conduit feels a looser fit than it would with a plastic male or female adapter. I accept water may work it's way into the sockets in either case and they have drainage holes, however do people think the rubber grommets or a solid (fe)male adaptor are a better solution?
2) I've installed 20mm conduit previously to metal clad accessories and using round terminal boxes. In both of these cases I've used 20mm saddles to fix the conduit to the wall. With the outdoor sockets I find that the 20mm knockouts are spaced away from the wall leaving a gap of, I'd guess, 1cm behind the conduit. For plumbing pipe you can buy spacers which you fit behind space clips to space pipe out appropriately where needed however I can't find anything suitable for 20mm conduit? Through trial and error I've found if I stack 3 of the wall mounts on top of each other and then screw the saddle into the third, this gives the right spacing however feels a bit of a bodge (and a waste of saddles!) Is there a better solution?