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Extension cords #4591500
12/01/17 10:05 PM
12/01/17 10:05 PM
Joined: Sep 2010
Posts: 8,484
Texas
4WD Offline OP
4WD  Offline OP

Joined: Sep 2010
Posts: 8,484
Texas
I’m going to set up a 15 amp saw about 60 feet from the plug to do a weekend project …
Have three 25’ cords: 10awg, 12 awg, 14 awg …

What is best order to avoid drop in the line?

Re: Extension cords [Re: 4WD] #4591504
12/01/17 10:08 PM
12/01/17 10:08 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline

Joined: Jan 2007
Posts: 17,501
Clovis, CA
You're better off using the 10 and the 12 but forget about the 14.

Re: Extension cords [Re: 4WD] #4591505
12/01/17 10:09 PM
12/01/17 10:09 PM
Joined: Aug 2013
Posts: 3,231
Central Maryland
HangFire Offline
HangFire  Offline

Joined: Aug 2013
Posts: 3,231
Central Maryland
You'll get the same drop in any order.


Various musings: http://hangfire.net
Re: Extension cords [Re: 4WD] #4591516
12/01/17 10:19 PM
12/01/17 10:19 PM
Joined: Aug 2015
Posts: 333
TX
KJSmith Offline
KJSmith  Offline

Joined: Aug 2015
Posts: 333
TX
Dude, cordless, step up to the 2000's.

14awg is good for 15amps, use all three and your fine.
If it was me, I would have the 10awg closest to the house and the 14 at the end.
The only reason I say that is if one is going to get warm it should be the 14.
If its at the end, its furthest away from the house, closest to you and gives you the best chance of catching it.

Re: Extension cords [Re: KJSmith] #4591524
12/01/17 10:30 PM
12/01/17 10:30 PM
Joined: Sep 2010
Posts: 8,484
Texas
4WD Offline OP
4WD  Offline OP

Joined: Sep 2010
Posts: 8,484
Texas
Ha, I have a number of cordless tools … just for the Dewalt saw and my treated lumber looks pretty soggy …
Thanks …

Re: Extension cords [Re: Merkava_4] #4591526
12/01/17 10:32 PM
12/01/17 10:32 PM
Joined: Sep 2010
Posts: 8,484
Texas
4WD Offline OP
4WD  Offline OP

Joined: Sep 2010
Posts: 8,484
Texas
Originally Posted By: Merkava_4
You're better off using the 10 and the 12 but forget about the 14.


Then I should just go buy another 12 … left too many of them at the bay house …

Re: Extension cords [Re: 4WD] #4591561
12/01/17 11:45 PM
12/01/17 11:45 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline

Joined: Jan 2007
Posts: 17,501
Clovis, CA
Originally Posted By: 4WD
Then I should just go buy another 12 … left too many of them at the bay house …


That depends on how special your saw is. The saw is going to do its job whether its using Voltage or Amps. It just so happens that in the absence of Voltage, the saw is going to pull more Amps. When it pulls more Amps, the windings in the motor heat up. Heat up too much and your motor is toast.

I think you're probably good with 12AWG up to 50ft.

Re: Extension cords [Re: 4WD] #4591719
12/02/17 07:55 AM
12/02/17 07:55 AM
Joined: Jun 2003
Posts: 34,252
ME
eljefino Offline
eljefino  Offline

Joined: Jun 2003
Posts: 34,252
ME
Your internal house wiring could be another 50 feet of 14 AWG and we all assume that it's "perfect" at the outlet. Use what you've got, and stop work if it sounds different from normal.

I ran an air compressor off 100 feet of 16 AWG extension cord and it worked fine for a while until the cord heated up and its resistance went up. For intermittent use of a saw you shouldn't have this problem.

Re: Extension cords [Re: 4WD] #4591759
12/02/17 08:38 AM
12/02/17 08:38 AM
Joined: Dec 2016
Posts: 8,254
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,254
Waco, TX
Originally Posted By: HangFire
You'll get the same drop in any order.


100% correct.

AC power goes looking for "the weakest link in the chain"

Is it a miter saw?
Like on for a few seconds, then off for many minutes?
You should be fine.

A continuous load, like a big shop vac or air compressor, would test the 14 gauge cord to it's limits.

Remember, intermittent loads are always calculated on a different chart than continuous loads.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Extension cords [Re: 4WD] #4591761
12/02/17 08:39 AM
12/02/17 08:39 AM
Joined: Mar 2004
Posts: 22,081
Upstate NY
Donald Offline
Donald  Offline

Joined: Mar 2004
Posts: 22,081
Upstate NY
Originally Posted By: 4WD
Originally Posted By: Merkava_4
You're better off using the 10 and the 12 but forget about the 14.


Then I should just go buy another 12 … left too many of them at the bay house …


Yes. I would buy a 50' #12. The cheesy plugs and outlets are the weak parts of most extension cords. Best would be to buy a 75' and replace the plug and outlet.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Extension cords [Re: 4WD] #4591762
12/02/17 08:39 AM
12/02/17 08:39 AM
Joined: Sep 2017
Posts: 460
One Step Beyond
MasterSolenoid Offline
MasterSolenoid  Offline

Joined: Sep 2017
Posts: 460
One Step Beyond


2002 Ford Ranger
2 Wheel Drive
3.0 Liter Engine
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Four basic premises of writing:
Clarity, Brevity, Simplicity, and Humanity.
Re: Extension cords [Re: Donald] #4591763
12/02/17 08:42 AM
12/02/17 08:42 AM
Joined: Sep 2010
Posts: 8,484
Texas
4WD Offline OP
4WD  Offline OP

Joined: Sep 2010
Posts: 8,484
Texas
Thanks ~ will do … the wall outlet is a new 20 amp 110v “homerun” from a 220V panel … (GFCI too)

Re: Extension cords [Re: MasterSolenoid] #4591766
12/02/17 08:44 AM
12/02/17 08:44 AM
Joined: Sep 2010
Posts: 8,484
Texas
4WD Offline OP
4WD  Offline OP

Joined: Sep 2010
Posts: 8,484
Texas
Interesting ~ was just there yesterday too ~ bet somebody got a bonus for that name too wink

Re: Extension cords [Re: 4WD] #4591956
12/02/17 12:07 PM
12/02/17 12:07 PM
Joined: Feb 2013
Posts: 11,429
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline

Joined: Feb 2013
Posts: 11,429
Phoenix, AZ
It should be fine to use it all in any order.

My dad used to weld for an hour at a time on a 100’ extension cord plugged into an outlet 50’ from the breaker box.


2015 Hyundai Sonata 2.4L 93k STP Synthetic HM 10w30 & Wix
2000 Toyota Camry 2.2L 233k Mobil Super HM 10w40 & Fram Ultra
1996 Jeep Cherokee 4.0L 148k Mobil 1 HM 10w40 & Fram Ultra
Re: Extension cords [Re: 4WD] #4591981
12/02/17 12:34 PM
12/02/17 12:34 PM
Joined: Feb 2010
Posts: 4,838
Central Texas
sleddriver Offline
sleddriver  Offline

Joined: Feb 2010
Posts: 4,838
Central Texas
Order doesn't matter as it will be a series connection. Use the 10 + 12g to get close.

As you're doing a weekend project, don't worry about wire gauge resistance consequences. It's not worth it. In a permanent installation, used day-in/day-out, with heavy use, then it would matter and should be considered.


1998 Volvo V70 T5 228,880 mi. Original Owner.
M1 10W-30 HM
"It's never a mistake to buy tools, defined broadly. They're not a cost, they're an investment." - J.B. Peterson
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