Spt 1 spt 2 spt 3 stranded parallel thermoplastic lamp cord zip wire it is the commonly seen flat 2 conductor electrical cord found in most homes with 18 gauge.
Spt 1 vs spt 2 lamp cord.
Ul recommends using spt 2 when building table lamps.
Larger christmas installation businesses can use hundreds of thousands of feet of c7 and c9 light lines each year which means pretty good annual savings by going with spt 1.
Buy spt 1 lamp cord online or submit an rfq for quantity discounts.
Spt 1 cable is rated to 105 c and spt 2 has versions that are also rated to 105 c.
Cost difference between spt 1 and spt 2 spt 1 is a lower cost than spt 2 which does make it more appealing especially to pro installers.
However other spt 2 cable is rated to 60 c.
20 2 spt 1 lamp cord has two stranded bare copper conductors and is rated from 20 c to 105 c.
Whats the differences between spt 1 and spt 2.
18 2 spt 1 wire has an insulation thickness of 030 and 18 2 spt 2 has insulation that is 045 thick.
Spt 1 wire has a thinner insulation than spt 2.
The decision to use spt 1 or spt 2 will be a factor of your project environment and budget.
The spt cable types range in operating temperatures as well.
While spt 1 lamp cord weighs between 20 21 pounds per thousand feet spt 3 lamp cord can weigh 88 or even 100 pounds per thousand feet.
Spt 1 lamp cord from allied wire and cable is designed and engineered to meet requirements for use in household appliances including clocks lamps radios and fans where two conductor connections are required.
Submit an rfq for 20 2 spt 1 lamp cord here.
However because the thickness of the insulation is thicker it is more difficult to to use with our 1 8ips nipples and pipe.
Oh and as a tip make sure that the plugs you purchase are rated for either spt 1 or spt 2 as the second variety has to be designed to fit the larger insulation.