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frontpageTritan408 posted Jul 23, 2023 07:08 PM
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frontpageTritan408 posted Jul 23, 2023 07:08 PM

Select Costco Stores: 2-Pk Prime Wire 25' 12/3 Gauge SJTW Extension Cord (Availability May Vary)

+ Free Store Pickup

$20

Costco Wholesale
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Deal Details
Deal Editor's Note: While we cannot confirm in-store product pricing/availability, we are promoting this deal to the Frontpage due to comments from forum members successfully finding it.

Select Costco Stores/Locations [Store Locator] have 2-Pack Prime Wire 25' 12/3 Gauge SJTW Yellow Extension Cord w/ Light Indicator on sale for $19.97 valid for in-store purchase only.

Thanks to Community Member Tritan408 for sharing this deal.

Note: In-store availability and pricing varies by location.

Features (source):
  • Primelight Indicator Light shows when power is on
  • Oversized Plugs & Strain Reliefs prevent wire from separating from the plugs
  • Nickel Coated Brass Blades resist corrosion & arcing
  • Water Resistant
  • Flame Retardant
  • Flexible in Temperatures from -40ºF up to +140ºF

Editor's Notes

Written by powerfuldoppler | Staff
  • Additional Information:
    • Product/pricing may not be available in all locations/area; please check your local store for stock.
    • This product has a Costco item #2323060 that you may utilize to confirm stock with your local stores.
    • Based on our research, similar products (25', 12-gauge) are selling for around $20 for single pack, or up to $55 for a two-pack.
    • Refer to the forum thread for additional details and community discussion.

Original Post

Written by Tritan408
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Deal Editor's Note: While we cannot confirm in-store product pricing/availability, we are promoting this deal to the Frontpage due to comments from forum members successfully finding it.

Select Costco Stores/Locations [Store Locator] have 2-Pack Prime Wire 25' 12/3 Gauge SJTW Yellow Extension Cord w/ Light Indicator on sale for $19.97 valid for in-store purchase only.

Thanks to Community Member Tritan408 for sharing this deal.

Note: In-store availability and pricing varies by location.

Features (source):
  • Primelight Indicator Light shows when power is on
  • Oversized Plugs & Strain Reliefs prevent wire from separating from the plugs
  • Nickel Coated Brass Blades resist corrosion & arcing
  • Water Resistant
  • Flame Retardant
  • Flexible in Temperatures from -40ºF up to +140ºF

Editor's Notes

Written by powerfuldoppler | Staff
  • Additional Information:
    • Product/pricing may not be available in all locations/area; please check your local store for stock.
    • This product has a Costco item #2323060 that you may utilize to confirm stock with your local stores.
    • Based on our research, similar products (25', 12-gauge) are selling for around $20 for single pack, or up to $55 for a two-pack.
    • Refer to the forum thread for additional details and community discussion.

Original Post

Written by Tritan408

Community Voting

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Top Comments

tgpaul
180 Posts
50 Reputation
Mathematically and theoretically you are not right. 12 gauge of solid copper in sheathing, rated for 600V at 90 degrees is rated for 20A. You can't just apply the same logic to SJTW and expect it to have the same rating. Hell, 12/3 on SJTW doesn't even mean the same thing as 12/3 on Romex--it's literally one fewer conductor.

Even the photos you cite contradict you. The tag clearly says "125V, 15 Amp, 1875W"

EDIT: So some of you may be wondering then what the benefit of the larger gauge is. The benefit is to minimize voltage drop. The longer the run, the fewer volts at the device. Devices are rated to operate between some range--usually between 110V-130V, and outside of these values the device does not operate optimally, and potentially even dangerously. I got these a few years ago specifically for that reason. The added thickness however does make it a chore to wrap and unwrap neatly.
Dareyoutolaugh
55 Posts
56 Reputation
You're assuming the current flow is entirely dependent on wire gauge. There are other electrical connections in a power cord. Math and theory won't help you in life if you don't apply them properly.
Tritan408
579 Posts
682 Reputation
I was at Gilroy, CA

102 Comments

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Jul 23, 2023 10:31 PM
214 Posts
Joined Jan 2007
Jul 23, 2023 10:31 PM
ulbhpyJul 23, 2023 10:31 PM
214 Posts
Which specific store location? Thanks
2
Original Poster
Jul 23, 2023 11:05 PM
579 Posts
Joined Nov 2014
Jul 23, 2023 11:05 PM
Tritan408
Original Poster
Jul 23, 2023 11:05 PM
579 Posts
Quote from ulbhpy :
Which specific store location? Thanks
I was at Gilroy, CA
1
Jul 24, 2023 07:29 PM
1,689 Posts
Joined Aug 2004
Jul 24, 2023 07:29 PM
TechominatorJul 24, 2023 07:29 PM
1,689 Posts
can you daisy chain it and use it as 50 ft?
3
Jul 24, 2023 07:54 PM
450 Posts
Joined Dec 2019
Jul 24, 2023 07:54 PM
Dealsfinder2019Jul 24, 2023 07:54 PM
450 Posts
Quote from Techominator :
can you daisy chain it and use it as 50 ft?
Yes. Or you can make it 100 ft if you get 2 pack.
7
3
Jul 24, 2023 08:30 PM
452 Posts
Joined Nov 2007
Jul 24, 2023 08:30 PM
thewonzJul 24, 2023 08:30 PM
452 Posts
Thanks OP

I ended up buying the 2 pack 30 ft cords made by the same company which they were selling for $29.99
Last edited by thewonz July 24, 2023 at 04:09 PM.
1
Jul 24, 2023 10:04 PM
5,117 Posts
Joined Jul 2008
Jul 24, 2023 10:04 PM
thespacecowboyJul 24, 2023 10:04 PM
5,117 Posts
I have these from a few years ago. They are really nice quality.
Jul 25, 2023 01:05 AM
1,607 Posts
Joined Aug 2005
Jul 25, 2023 01:05 AM
horent135Jul 25, 2023 01:05 AM
1,607 Posts
can this handle 1200 watts?

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Jul 25, 2023 01:08 AM
669 Posts
Joined Jan 2005
Jul 25, 2023 01:08 AM
zipdabJul 25, 2023 01:08 AM
669 Posts
Can is use this as an extension for my level 1 EV charger?
Jul 25, 2023 01:14 AM
84 Posts
Joined Oct 2020
Jul 25, 2023 01:14 AM
Kpac628Jul 25, 2023 01:14 AM
84 Posts
Quote from horent135 :
can this handle 1200 watts?
This same cord is at home depot but for one its $63.97

Someone asked in the questions how many watts 2 people said -
15 amps x 120 volts = 1800 watts
120V x 15 amps = 1800 watts Same as was answered back in June.

Edit - this brand Prime the home depot brand is yellow jacket.
Last edited by Kpac628 July 24, 2023 at 06:17 PM.
1
Jul 25, 2023 01:59 AM
62 Posts
Joined Jan 2017
Jul 25, 2023 01:59 AM
butwholeJul 25, 2023 01:59 AM
62 Posts
This is cheaper than romex is, crazy times
3
Jul 25, 2023 06:22 AM
1,607 Posts
Joined Aug 2005
Jul 25, 2023 06:22 AM
horent135Jul 25, 2023 06:22 AM
1,607 Posts
Quote from Kpac628 :
This same cord is at home depot but for one its $63.97

Someone asked in the questions how many watts 2 people said -
15 amps x 120 volts = 1800 watts
120V x 15 amps = 1800 watts Same as was answered back in June.

Edit - this brand Prime the home depot brand is yellow jacket.
thanks for the info!
Jul 25, 2023 11:36 AM
9 Posts
Joined May 2016
Jul 25, 2023 11:36 AM
mulletryJul 25, 2023 11:36 AM
9 Posts
Quote from horent135 :
can this handle 1200 watts?
12/3 means 12 gauge. 12 gauge is rated for 20amps at 110v-120v. 20amp x 120v = 2400watts. So upto 2400 watts if the outlet is on 20amp breakers.
1
10
Jul 25, 2023 11:51 AM
644 Posts
Joined Dec 2016
Jul 25, 2023 11:51 AM
JoeBlo1979Jul 25, 2023 11:51 AM
644 Posts
Hard to tell from the pic, but I got a pair of yellow cords from Costco a few years ago and they are the most inflexible cords I have. They are quite beefy in construction but they are a royal PIA to coil up.
Jul 25, 2023 12:00 PM
26 Posts
Joined Jun 2017
Jul 25, 2023 12:00 PM
egrooJul 25, 2023 12:00 PM
26 Posts
Quote from thewonz :
Thanks OP

I ended up buying the 2 pack 30 ft cords made by the same company which they were selling for $29.99
Same here, couldn't find 25' but 30'
1

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Jul 25, 2023 02:04 PM
483 Posts
Joined Oct 2007
Jul 25, 2023 02:04 PM
rebel222Jul 25, 2023 02:04 PM
483 Posts

Our community has rated this post as helpful. If you agree, why not thank rebel222

Quote from mulletry :
12/3 means 12 gauge. 12 gauge is rated for 20amps at 110v-120v. 20amp x 120v = 2400watts. So upto 2400 watts if the outlet is on 20amp breakers.
Wrong. The plug on the end of this cord is a 15a plug.
2
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