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Forum topic by J2Jonner posted 04-30-2015 06:21 PM 1004 views 0 times favorited 9 replies Add to Favorites Watch
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J2Jonner

5 posts in 611 days


04-30-2015 06:21 PM

Topic tags/keywords: ts plug blade change tablesaw disconnect

First time poster! I have been reviewing many shop setups and gear reviews as I reconfigure my workshop to be more wood oriented and productive with some new to me equipment I recently acquired. While exploring TS outlet locations I happened upon a number of reminders to UNPLUG the TS during blade changes. I have to admit – can’t recall the last time I even had the thought of unplugging my unisaw for something! So – in an effort to be more safety conscious and knowing full well I wouldn’t go to the rear of the machine to do anything before a blade change, this is what I came up with:

This SquareD 30A disconnect was $15 at the box store and with an additional $5 for fuses for inside I think it makes a GREAT alternative to running around to the plug or across the room to the breaker panel. It provides a positive and lockable disconnect and is in a location where I will not be during blade changes. It also has fused legs, this may or may not be a plus depending on your point of view (but they didn’t have a disconnect with an external handle and a breaker).
Since I was running ceiling drops over to this location now was the time to implement, as you can see I also added a 20A GFCI mounted to the front for convenience. This is possible as I ran 10/4 cord and decided to standardize on L1420 plugs which carry the neutral. Your setup may not have this, but its not needed if you want to implement the disconnect as a safety item.

Thanks to everyone for all the ideas!

Jon


9 replies so far

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thechipcarver

178 posts in 1045 days


#1 posted 05-06-2015 06:06 PM

Safety first. Great job.

-- While teaching a class, a gentlemen once asked me: "When chip carving an intricate design, what do you do when you are almost finished and the wood breaks off?" I replied "Cover the kids ears."

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dpoisson

190 posts in 2382 days


#2 posted 05-06-2015 06:48 PM

I was at a local woodworking school a couple of years ago. I wanted to rout a profile on a panel and went to the router room (they had 3 routers on a single table). I unplugged the one in front of me (or so I thought, the plug was underneath the table and kind of hidden) and proceeded to change the router bit. Once I was done, I hit the power switch on the table and noticed the router on the left started up, not the one I had switched the bit! The router I had manipulated had been plugged in all along. My heart sank.

From now on, I VISUALLY check to make sure the proper machine is unplugged (I follow the cord from machine to wall) and I try to power it on. Only then will I touch the powertool.

David

-- http://picasaweb.google.ca/dpoisson

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knotscott

7224 posts in 2843 days


#3 posted 05-06-2015 07:22 PM

Good idea. My TS start button is wired so that it won’t come on unless my DC is running. If the DC is off, I’m good for a blade change.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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bonesbr549

1176 posts in 2534 days


#4 posted 05-06-2015 08:02 PM

Just curious, what is the HP for your Griz, and why 10/4?

-- Sooner or later Liberals run out of other people's money.

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MrUnix

4245 posts in 1666 days


#5 posted 05-06-2015 08:17 PM

I have to admit – can’t recall the last time I even had the thought of unplugging my unisaw for something!

That is one funny looking Unisaw :)

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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J2Jonner

5 posts in 611 days


#6 posted 05-06-2015 08:30 PM

bones: no particular NEED for the 10/4, the Griz is 3HP – but the run was short and in conduit on the ceiling and I didn’t feel like ever having to do it again if I needed more than 20A. Once I was pulling wire, I figured why not run the neutral as well.

MrUnix: The Grizzly is a recent purchase from a gentlemen getting out of woodworking, its like new. So now is the opportunity to tear the unisaw down and give her a good top-off inspection/cleaning/restore. Hopefully in short order she will take her place next to the 1023SL in place of the 2×4 extension table you see.

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bonesbr549

1176 posts in 2534 days


#7 posted 05-07-2015 12:36 AM


bones: no particular NEED for the 10/4, the Griz is 3HP – but the run was short and in conduit on the ceiling and I didn t feel like ever having to do it again if I needed more than 20A. Once I was pulling wire, I figured why not run the neutral as well.

MrUnix: The Grizzly is a recent purchase from a gentlemen getting out of woodworking, its like new. So now is the opportunity to tear the unisaw down and give her a good top-off inspection/cleaning/restore. Hopefully in short order she will take her place next to the 1023SL in place of the 2×4 extension table you see.

I understand on the “just in case” I was wondering about the 4 conductor need? Are you wanting 120 and 240 at the same location? You could have got by with 10/2?

- J2Jonner

I understand on the “just in case” I was wondering about the 4 conductor need? Are you wanting 120 and 240 at the same location? You could have got by with 10/2?

I had a 1023slx for over 10 years. Great saw for the money!

-- Sooner or later Liberals run out of other people's money.

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J2Jonner

5 posts in 611 days


#8 posted 05-07-2015 01:14 AM


I understand on the “just in case” I was wondering about the 4 conductor need? Are you wanting 120 and 240 at the same location? You could have got by with 10/2?

I had a 1023slx for over 10 years. Great saw for the money!

- bonesbr549

I could have gotten by with 10/3 cord, but yes just to have access to 120 at each of these locations. I can add the outlets as above, or can add lighting if desired to future equipment benches. I have actually found that already to be a useful outlet location. Its the closest one to the garage door and right in the middle of the opening.

Jon

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smitdog

229 posts in 1573 days


#9 posted 05-07-2015 12:53 PM

Awesome Jon, I like your implementation of a safety shutoff! I also like that it looks like the throw switch can be padlocked in the off position. I’ve been thinking about safety devices more now that I’ve started foster parenting. I keep the shop area locked up but it’s not overly secure and I know one of those kidos at some point will figure out how to get in there. I like the idea of being able to key lock the power off to prevent it being turned on at all when I’m not in there.

-- Jarrett - Mount Vernon, Ohio

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