Steelers95 Posted September 13, 2014 Share Posted September 13, 2014 Im working on finishing up my display and one of the last things I need is extension wire. Im planning on using the vampire plugs but Im not sure if I should use spt 1 or spt 2 wire. im not entirely sure on the difference either. Anyone know or jave any thoughts.- Thanks Link to comment Share on other sites More sharing options...
godman Posted September 13, 2014 Share Posted September 13, 2014 SPT1 is pretty much the one most use, The only difference between SPT-1 and SPT-2 is the insulation. Contrary to popular belief, thicker insulation does not translate into being able to carry a higher load. Before going any further and explaining when one type of cord should be used over the other, here’s the simple answer as to what the difference is between the two ratings. Keep in mind that you need the correct vampire plug ends, Plugs made for SPT1 wire will not work with SPT2 wire, I found the best place to get these is Home depot: they are 45.98 for 100 pieces Link to comment Share on other sites More sharing options...
james campbell Posted September 13, 2014 Share Posted September 13, 2014 The first year I used spt-2 , he second year I used spt-1. I like the spt-1 because it stores better and is much easier to handle . in my opinion if you would overload spt1 then it still would be too much a load for spt-2. the thicker insulation may be better on a roof were it would need protection against abrasion Link to comment Share on other sites More sharing options...
zman Posted September 14, 2014 Share Posted September 14, 2014 SPT2 is compatible with the lamp cords you can buy. Sometimes those are cheaper when you find them on sale. If you standardized on SPT2, you could add female plug to those store bought lamp cords for custom harnesses. I find though that making C7/C9 socket cords is best with SPT1. Link to comment Share on other sites More sharing options...
Steelers95 Posted September 17, 2014 Author Share Posted September 17, 2014 (edited) Alright, where would be the best/ cheapest place to buy spt 1 wire? Is there many different types of spt 1 wire because I found a website that sells spt 1 zip cord? Also can you mix and match spt 1 vampire plugs with any type of spt 1 wire or is there certain plugs for certain wire? Edited September 17, 2014 by Steelers95 Link to comment Share on other sites More sharing options...
zman Posted September 17, 2014 Share Posted September 17, 2014 Not sure about pricing this time of year, others may know better. All like vampire plugs are compatible with with any like cord. Link to comment Share on other sites More sharing options...
circleracer44 Posted October 5, 2014 Share Posted October 5, 2014 (edited) I know I am a little late been busy with my display but I sell electrical supplies wholesale to contractors and I have looked up the price for the 18/2 spt1 wire (aka zip cord) and we deal with CCI (coleman cable) South Wire are just a few and coleman was the best price it was about 18-20 cents a foot sometimes you can find it cheaper online. Also as stated the only diff between spt1 and spt2 is the casing both are still made with 18gauge wire Edited October 5, 2014 by circleracer44 Link to comment Share on other sites More sharing options...
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