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Old 03-06-2010, 01:41 PM   #1
rynd96
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Default Grounding a heating element?

So I'm getting ready to make my electric HLT and had a question about grounding. I'm using an igloo cooler, round type, and was wondering if I could drill a hole in the side of the cooler, insert a small SS bolt and nut and attach the ground to that. I'm aware of the copper ring made from the sheet from the craft store, but this seems much easier.

Then again easier is usually not better and I obviously don't want to be a crispy critter!

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Old 03-06-2010, 01:58 PM   #2
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Here is a similar thread from a few days ago. You can do the same with a cooler.

http://www.homebrewtalk.com/f51/elem...unding-164233/

I am using a corny keg for a HLT. There was no way to attach ground to the outside of the keg so I came up with this another way. I did not want to put another hole through the keg. It should work for a cooler as well.

I used a reducing washer.





Mine did not come out too pretty. I had some issues with JB weld.

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Old 03-06-2010, 02:12 PM   #3
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Quote:
Originally Posted by Brewmoor View Post
Mine did not come out too pretty. I had some issues with JB weld.
Get some of that aluminum foil tape, which matches the reflectix insulation a lot better than silver duct tape, and cover that whole assembly with an even coat of JB weld, and it'll look 10x nicer
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Old 03-06-2010, 02:15 PM   #4
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I actually had one of those in my hand yesterday at the HD when I was getting the element and other fittings. I didn't even consider drilling it to attach the ground. Is that a 1 1/4 to 1 inch?

I'm going to be drilling the cooler anyway to add The Pol's budget sight glass and thermometer, Thanks Pol, so adding another hole is no biggie. I thought I read some where on here that when installing in a cooler, you ideally want the ground to be in contact with the liquid.

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Old 03-06-2010, 02:16 PM   #5
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Yeah I did the aluminum foil tape already. That picture was from when the JB weld was drying. The silver duct tape was just temp. I did not bother with jb weld. You don't see the back of the rig anyway.

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Old 03-06-2010, 02:19 PM   #6
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Quote:
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I'm going to be drilling the cooler anyway to add The Pol's budget sight glass and thermometer, Thanks Pol, so adding another hole is no biggie. I thought I read some where on here that when installing in a cooler, you ideally want the ground to be in contact with the liquid.
Your element is inside the cooler. So it is touching the liquid. You do not need to put another piece of metal through the wall to ground out the water.
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Old 03-06-2010, 02:19 PM   #7
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1.5 to 1" got it

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Old 03-06-2010, 02:30 PM   #8
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I guessing the washer goes onto the base of the element right, not between the element and cooler, so between the element and PVC cap

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Old 03-07-2010, 02:40 AM   #9
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Quote:
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I guessing the washer goes onto the base of the element right, not between the element and cooler, so between the element and PVC cap
No you want it between the element and the cooler.
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Old 03-07-2010, 11:50 PM   #10
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According to: http://www.wortomatic.com/articles/T...in-a-cooler%29

it should go cooler wall, gasket, grounding ring (washer), element.

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