Electrician Talk - Professional Electrical Contractors Forum

Electrician Talk - Professional Electrical Contractors Forum (https://www.electriciantalk.com/)
-   General Electrical Discussion (https://www.electriciantalk.com/f2/)
-   -   no conduit or j-box (https://www.electriciantalk.com/f2/no-conduit-j-box-266742/)

tmessner 10-29-2018 11:45 PM

no conduit or j-box
 
How do you run conduit and wire to a device that has 3 wires hanging out of a small hole with no provision for adding a box or conduit? This is a bin level switch mounted on the side of a grain bin. It has a micro switch buried in with 3 wires hanging out in the air,
Here is link to what we found today on a bin.

Bird dog 10-29-2018 11:57 PM

Contact the company. Looks like there was no consultation with an electrical engineer.
http://levalert.com/



You might put heat shrink tube on the wires & run it into the bottom of a box.

joebanana 10-30-2018 12:02 AM

If all else fails, read the instructions.

wildleg 10-30-2018 01:02 AM

what are you hooking it up to ? class 2 or contacts from a power limited system and you are good to go with pretty much anything I would think. I like the mechanical indicator. wonder how long this crap lasts before it is useless junk.

splatz 10-30-2018 07:55 AM

I agree, no engineer involved in the design of this product. They say their switch is UL listed but I am sure it's just UL listed as an OEM part, I doubt the Levalert is listed.

The switch doesn't look like it's outdoor rated, I'd apply some silicone and hope for the best.

So like @wildleg says, even though the switch component might be rated for 120V, I wouldn't go there, I'd get a Class 2 power supply and a relay suitable for whatever you want to switch. The Class 2 rules are fast and loose but you'll still want it to work...

I'd use a piece of the marine heat shrink around the wires, mount a box next to the device, arrange the wire in a drip loop, and come into the bottom of the box with a cord grip.

It's just one step past homemade but a lot of these things are surprisingly trouble free.

tmessner 10-30-2018 08:37 AM

Quote:

Originally Posted by joebanana (Post 5100232)
If all else fails, read the instructions.

What instructions?

tmessner 10-30-2018 08:39 AM

Quote:

Originally Posted by wildleg (Post 5100254)
what are you hooking it up to ? class 2 or contacts from a power limited system and you are good to go with pretty much anything I would think. I like the mechanical indicator. wonder how long this crap lasts before it is useless junk.

the farmers like the mechanical part. They seem to last many years. The electrical part is just a standard micro switch. As long as it is used in its rating it will last forever.

tmessner 10-30-2018 08:40 AM

Quote:

Originally Posted by wildleg (Post 5100254)
what are you hooking it up to ? class 2 or contacts from a power limited system and you are good to go with pretty much anything I would think. I like the mechanical indicator. wonder how long this crap lasts before it is useless junk.

We tie into a 120 volt control circuit , usually with a 5 amp control circuit breaker.

joebanana 10-30-2018 08:50 AM

Quote:

Originally Posted by tmessner (Post 5100320)
What instructions?

Their promo vid. mentioned their web site for more videos on installation procedures. Or you could write them.

Navyguy 10-30-2018 09:27 AM

I think I would be using 12 or 24 volts, not 120 volts. If you wanted to enclose the entire thing in a window box or something, then I might consider 120 volts.

https://hoffman.nvent.com/en/hoffman/CHJ1412HWPL2LG

Cheers
John

tmessner 10-30-2018 10:04 AM

Thanks for the ideas. This is a small example of what we run into in rural areas. Somebody has a great idea. and farmers love it and nobody checks with the guy that gets to hook it up. Just for giggles, we found out it was installed about 6" to low in the bin also.

Cow 10-30-2018 10:11 AM

I'm glad I haven't seen one of those yet.

We're getting ready to do a new corn dryer facility with several bins. I hope they're providing regular bindicators for bin level and not these turds.

splatz 10-30-2018 01:20 PM

Quote:

Originally Posted by Navyguy (Post 5100356)
I think I would be using 12 or 24 volts, not 120 volts. If you wanted to enclose the entire thing in a window box or something, then I might consider 120 volts.

https://hoffman.nvent.com/en/hoffman/CHJ1412HWPL2LG

Cheers
John

Putting the whole thing in an enclosure with a clear cover would make a nice install but I think that might make it hard to read from the ground.

tmessner 10-30-2018 04:07 PM

These things might 50' or from the ground so an enclosure will render them unable to be seen from ground level, especially as dirt and dust builds up on the window.

macmikeman 10-30-2018 04:37 PM

When I get a couple of wires poked out thru a bushed hole in something (usually an ac compressor of some sort or a VAV box, I knock out the center ko in a 4 square box and mount that directly over the wiring poking out without bothering to add any further bushing or box connectors or the like. By the time the inspector shows up the blank cover is on the box anyway.


All times are GMT -4. The time now is 06:08 PM.

Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.1
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
User Alert System provided by Advanced User Tagging (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.