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12 amp vs 15 amp Circular Saw?

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Forum topic by Beginningwoodworker posted 11-16-2011 01:03 AM 13014 views 1 time favorited 13 replies Add to Favorites Watch
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Beginningwoodworker

13347 posts in 3140 days


11-16-2011 01:03 AM

I have a Skil 5400 12 amp made in USA circular saw thats has a 12 amp motor, I am wondering is it strong enough for construction projects like 2×4’s, 2×6’s, and OSB sheathing? Or do I need to upgrade to a 15 amp circular saw.


13 replies so far

View jack1's profile

jack1

2057 posts in 3494 days


#1 posted 11-16-2011 01:06 AM

should be ok for most stuff if you don’t rush cutting the bigger stuff. Be sure to use large gauge extension cord. I like 12 gauge but 14 will do. That helps insure the saw doesn’t get a voltage drop and you get full power. ;0)

-- jack -- ...measure once, curse twice!

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Don W

17971 posts in 2034 days


#2 posted 11-16-2011 01:44 AM

i’d use it till she dies.

-- Master hand plane hoarder. - http://timetestedtools.net

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crank49

3981 posts in 2438 days


#3 posted 11-16-2011 01:45 AM

A good blade will help.

-- Michael: Hillary has a long list of accomplishments, though most DAs would refer to them as felonies.

View PutnamEco's profile

PutnamEco

155 posts in 2753 days


#4 posted 11-16-2011 02:30 AM

I would not worry about it being 12 amps. Unless you REALLY need an excuse to pick up a new tool. I’ll second the good blade suggestion, either a Irwin Marathon or Freud Diablo with 24 teeth should work fine.

It has been my experience that low end saws develop blade wobble due to bearing wear long before they stop running.

-- “The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.” ― Franklin D. Roosevelt

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Beginningwoodworker

13347 posts in 3140 days


#5 posted 11-16-2011 02:57 AM

I think it needs new blade.

View Woodwrecker's profile

Woodwrecker

3928 posts in 3042 days


#6 posted 11-16-2011 03:15 AM

Put that new blade on that old saw and get cutting Charles !
Like Don W said, use her until she gives up, then treat yourself to a nice new 15 amp’er!

-- Eric, central Florida

View TOM's profile

TOM

71 posts in 1458 days


#7 posted 08-10-2013 08:27 PM

Most here talked about blades … but the original question was about AMPS/POWER.

Anyone have any practical advice to offer as to the 12 amp vs. 15 amp issue?

View toolie's profile

toolie

2025 posts in 2095 days


#8 posted 08-10-2013 08:40 PM

my 35 YO skil saw is 12A and never failed me.

-- there's a solution to every problem.......you just have to be willing to find it.

View JustJoe's profile

JustJoe

1554 posts in 1505 days


#9 posted 08-10-2013 08:54 PM

I can attest that the 12amp version will cut that stuff without problem. At the start of monsoon season I splurged on the cheapest saw Lowes had – a 12amp “Blue Hawk” corded circular saw for $29.97. I bought it to cut 30 year old cement with a diamond blade. It powered through it with no problem. It’s now on the front porch of the workshop for shortening the rough lumber before I bring it in to dimension it.

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View Loren's profile

Loren

8314 posts in 3115 days


#10 posted 08-10-2013 09:04 PM

15 amp saws tend to be heavier. They probably cut a bit faster
when ripping solid woods. 15 amp saw models sometimes
have an available version that takes 8.25” blades with the
same motor. It’s the size of the guard that limits the
blade size.

View mandatory66's profile

mandatory66

201 posts in 1597 days


#11 posted 08-11-2013 02:07 AM

I have a 28 year old B&D SawCat with 13 amps. Still runs fine & cuts 2x lumber with ease. Power is not an issue.Use it.

View Grandpa's profile

Grandpa

3256 posts in 2142 days


#12 posted 08-11-2013 02:12 AM

I doubt you would notice the difference IF you use good blades and blades that are intended for the job you are doing.

View JayT's profile

JayT

4786 posts in 1678 days


#13 posted 08-11-2013 02:35 AM

With sheet goods and crosscutting 2x stock, you probably won’t notice any difference, heck I cut those with a cordless circ saw. If you were cutting a bunch of 4×4’s or ripping the 2x’s, the 12amp would do the job, but struggle more, so would have to be fed slower. Keep a good quality blade on it and use it.

-- "Good judgement is the result of experience. A lot of experience is the result of poor judgement."

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