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Old 01-30-2018, 08:45 PM   #1
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Default Reducing Washers

Do they make 3-1/2" to 3" reducing washers?
My SH doesn't show one from their supplier.

I suppose I could use a larger outside diameter but I need the inside to be 3".
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Old 01-30-2018, 08:53 PM   #2
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Quote:
Originally Posted by A Little Short View Post
Do they make 3-1/2" to 3" reducing washers?
My SH doesn't show one from their supplier.

I suppose I could use a larger outside diameter but I need the inside to be 3".
Sure they are made:

https://www.garvinindustries.com/ele...SABEgJFwvD_BwE
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Old 01-30-2018, 08:53 PM   #3
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The largest size reducing washer I see on the Thomas and Betts site is 3 x 2.5". Might have to take a 4" octo cover and cut the 3" hole in the centre.

Cheers

John

Edit: see Mech was able to locate some for you.
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Old 01-30-2018, 09:33 PM   #4
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Now that I think about it I ask one of the guys that usually doesn't work the counter. So I may ask my regular counter guy.
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Old 01-30-2018, 09:56 PM   #5
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Do they make 3-1/2" to 3" reducing washers?
My SH doesn't show one from their supplier.

I suppose I could use a larger outside diameter but I need the inside to be 3".
We aren't going away until you tell us who screwed up.
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Old 01-30-2018, 10:43 PM   #6
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We aren't going away until you tell us who screwed up.
It was me!!!

Was dealing with a new meter required by POCO. On the old ones the 3" was the largest ring on the KO. On the new, 3-1/2" is the largest. I instinctively just went for the last ring.
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Old 02-01-2018, 07:06 PM   #7
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get a new meter
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Old 02-01-2018, 07:53 PM   #8
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Originally Posted by A Little Short View Post
Do they make 3-1/2" to 3" reducing washers?
My SH doesn't show one from their supplier.

I suppose I could use a larger outside diameter but I need the inside to be 3".
I would look for a 4" x 3" first. 3.5" is a weird size an engineer must have invented.....nobody uses that size in real life unless forced too.

Tin snips work wonders too, if you need to trim a little off one side so it'll fit in the can.
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Old 02-01-2018, 10:14 PM   #9
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I would look for a 4" x 3" first. 3.5" is a weird size an engineer must have invented.....nobody uses that size in real life unless forced too.

Tin snips work wonders too, if you need to trim a little off one side so it'll fit in the can.
I actually found some 3-1/2" x 2" in a box of odds-n-ends. We secured it down to a board and used a 3" hole saw to drill out the center to 3".
Had to do something since no S/H here had anything on hand.
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Old 02-02-2018, 01:30 AM   #10
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3.5" is an orphan, no doubt.

Only saw it ONCE.

Stupid, really.
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Old 02-02-2018, 03:13 AM   #11
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get a new meter
This is likely the cheapest, most professional solution.

If you can hide the boo-boo inside a wall cavity -- then just cork your boner off with a flat cover and punch it out to 3" -- you DO have a 3" KO punch.
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Old 02-02-2018, 05:05 AM   #12
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I actually found some 3-1/2" x 2" in a box of odds-n-ends. We secured it down to a board and used a 3" hole saw to drill out the center to 3".
Had to do something since no S/H here had anything on hand.
We've had to 'punch out' a steel octo cover in the past to get by.....

These days we carry a variety of reducing tins, some of these KO's fall out just looking at them.....

~CS~
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Old 02-02-2018, 05:15 AM   #13
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3.5" is an orphan, no doubt.

Only saw it ONCE.

Stupid, really.
I had an enclosure that just wouldn't layout with 4" but found 3-1/2" to fit perfect. I feel sorry for the poor bastard that has to change it out when the time comes.
Another time we took an hour boat ride out to an island to change a switch. Yup! Two 3" and one 3-1/2" I think a 3" coupling fits inside of a 3-1/2" coupling or maybe inside the pipe itself. I don't remember exactly but, we made it happen.
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Old 02-02-2018, 05:17 AM   #14
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In this situation a new meter is a good idea because you can save the guts from the one you KOed too large. This way if you ever break a lug or something burns up inside of a customer's meter, you can throw the new guts in and be done.

I keep excessive 4" round box cover plates on my truck, the ones with the 1/2" KO in the center so you can punch them to the desired size quickly. They are great for filling holes, much thicker than donut reducers and they come with holes built in to firmly attach them to the enclosure with some 8/32's (you carry 8/32 nuts on your truck, right???)
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Old 02-03-2018, 09:51 PM   #15
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Quote:
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In this situation a new meter is a good idea because you can save the guts from the one you KOed too large. This way if you ever break a lug or something burns up inside of a customer's meter, you can throw the new guts in and be done.

I keep excessive 4" round box cover plates on my truck, the ones with the 1/2" KO in the center so you can punch them to the desired size quickly. They are great for filling holes, much thicker than donut reducers and they come with holes built in to firmly attach them to the enclosure with some 8/32's (you carry 8/32 nuts on your truck, right???) [IMG class=inlineimg]http://www.electriciantalk.com/images/smilies/biggrin.png[/IMG]
great idea to keep as spare parts just in case.
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Old 02-03-2018, 10:22 PM   #16
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I've used octagon/round blanks as KO seals in a pinch, good idea to use them for reducing washers as well.
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