[RE-wrenches] MC4 Box connectors

[William Miller]

Jim:

The connectors have an o-ring for waterproofing when fastened through an unthreaded hole.

WM

Sent from my iPod

On Mar 5, 2012, at 7:16 AM, "Solarguy" <ntrei at 1scom.net> wrote:

> William
> The drill & tap process you described works great for a good watertight
> attachment. But does Multi-Contact make the bulkhead style connectors with
> any thread pitch beside M12x1.5 metric ? Not that a metric tap is a big
> investment but the attaching using the threaded end with a nut is quicker
> though not water tight without sealant. Threaded is also easier to remove
> but the wall thickness ultimately will determine which method to use. 
> This goes the same for wire strain relief 'glands' that come with a
> confusing choice of thread types- straight, tapered, metric, NPT, PG etc
> and with or without nuts. Many high volume distributors will send a sample
> part upon request allowing you to look and measure hole size, thread length
> and whether the neoprene insert will actually close tight on the wire you
> plan