LumberJocks

Tool Refurb #5: Wiring?

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Blog entry by Joekwon80 posted 853 days ago 1410 reads 0 times favorited 19 comments Add to Favorites Watch
« Part 4: Table Saw Top Cleanup and Belts Part 5 of Tool Refurb series Part 6: Guts. »

Yesterday I started removing all the wiring from the switch and the motor because they had all but dry rotted away. The wire that went from the switch to the wall is 14/3 while the wire from the motor to the switch is 14/4. I spent several hours yesterday at Lowes and Home Depot trying to track this 14/4 wire down and was unsuccessful. Does anyone know how to wire these motors?

When I opened the panel on the motor the wires were all connected except the red wire from the 14/4 it was just capped off. So I figured it wasn’t used. After labeling and disconnecting the wires from the motor I opened up the switch to find that the red was tied to black on the reset switch and the white was tied to red on the reset switch. Now I’m baffled. What the heck is going on here? Why is red tied to black and capped off on the other end?

Any help at this point would be great.

—Joe

PS: What’s a fair price to have an electrician wire a subpanel with 2 240v breakers for me if the run to the sub panel is only a foot or so and the run to the two 240 outlets is less than 20 feet?

-- Joe Kwon



19 comments so far

View geoscann's profile

geoscann

258 posts in 876 days


#1 posted 853 days ago

Is your motor wired for 220 or 110 volts from the sounds of it someone wired it for 110 need more info.

-- BIG geo ---Occam,s razor The simplist answer is often correct

View Joekwon80's profile

Joekwon80

87 posts in 858 days


#2 posted 853 days ago

It is wired for 220. And this thing hasn’t been rewired for a while by the looks of the wire. If someone wired it for 110 they didn’t realize they needed to switch the plug on it too.

-- Joe Kwon

View geoscann's profile

geoscann

258 posts in 876 days


#3 posted 853 days ago

thats not a 220 plug its only a 110 twist lock if it was 220 it would have four spades on it.

-- BIG geo ---Occam,s razor The simplist answer is often correct

View Joekwon80's profile

Joekwon80

87 posts in 858 days


#4 posted 853 days ago

It says 220v on it though? I’m confused. So this is a 110 plug?

-- Joe Kwon

View Joekwon80's profile

Joekwon80

87 posts in 858 days


#5 posted 853 days ago

If that’s the case what does the red get wired to on the motor side?

-- Joe Kwon

View geoscann's profile

geoscann

258 posts in 876 days


#6 posted 853 days ago

A 220 twist lock has the black wire for power the red wire for power the white wire is common and as always the green is ground.

-- BIG geo ---Occam,s razor The simplist answer is often correct

View geoscann's profile

geoscann

258 posts in 876 days


#7 posted 853 days ago

the over load switch had a red wire on it and they just tied it in to the black power wire the other side of that switch gos to the on / off switch. that why they cap off the red wire on the power cord.

-- BIG geo ---Occam,s razor The simplist answer is often correct

View Joekwon80's profile

Joekwon80

87 posts in 858 days


#8 posted 853 days ago

So this is or is not a 220 plug?

-- Joe Kwon

View geoscann's profile

geoscann

258 posts in 876 days


#9 posted 853 days ago

if your not sure take the motor to a electric motor shop and they can double ck it for you.

-- BIG geo ---Occam,s razor The simplist answer is often correct

View geoscann's profile

geoscann

258 posts in 876 days


#10 posted 853 days ago

when your over at the box store look at there 220 twist lock plugs you will see what i mean.

-- BIG geo ---Occam,s razor The simplist answer is often correct

View Joekwon80's profile

Joekwon80

87 posts in 858 days


#11 posted 853 days ago

I maybe at that stage. I hear what you’re saying though. I just found the wiring diagram and see that it’s wired correctly. I’m just totally an idiot when it comes to electricity. Where would one find 14/4 wire?

-- Joe Kwon

View geoscann's profile

geoscann

258 posts in 876 days


#12 posted 853 days ago

You will need to go to an electrical supply store and they should be-able to help you with no problem.
if your run it on 110 you wont need 14/4 you will be able to use 14/3 for 110 you dont need that red wire.

-- BIG geo ---Occam,s razor The simplist answer is often correct

View Grandpa's profile

Grandpa

3043 posts in 1271 days


#13 posted 853 days ago

14 ga. might be a little hard to find. 12 gauge will work fine and it should work with your plug okay too. I am not sure what the wiring should cost. In my part of the country there are a lot of Federal Pacific panels. Those are being replaced in homes. The average cost is about $800 turn key. They supply all the parts and do the labor. Remove a panel from an interior wall and replaces it with a similar panel of a different brand. I am sure that will vary from area to area.

View hhhopks's profile

hhhopks

558 posts in 973 days


#14 posted 853 days ago

Joe, you need a wiring daigram for your saw. Google it. Perhaps someone at LJ can send you a copy or post it. Having a print will take the mystery out of these wiring.

You should have 3 possibilites.
120V: You should have a hot (line), Neutral and a ground. This will require a one-pole CB.

240V: Since I am familar with your saw, potential there is two flavors, both requiring a 2-pole CB.
1. Two hot (Line 1, Line 2) and a ground. [2 Wire, and a ground (2W+G)], Yous will have 120 and 240 V.
2. Two hot (Line 1, Line 2), one neutral, and a ground. [3 Wire and ground (3W+G)], You only have 240 V.

Which 240 V option is used will depends on your table saw. Just because the motors say 240 doesn’t mean 120 V is not need for something else. However, requiring 120 and 240 V is unlikely. Anyway the print should make it clear for you.

-- I'll be a woodworker when I grow up. HHHOPKS

View hhhopks's profile

hhhopks

558 posts in 973 days


#15 posted 853 days ago

It appears someone have work on the wiring before and didn’t finish the job. Go with the pirnt. Label the wires. transfer the labels to the print. You will then have a clear road map. You may need use a meter to tone out the wires (same color insulation). You may able to get by, by wiggle the wire around to differential which is which.

Good luck.

-- I'll be a woodworker when I grow up. HHHOPKS

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