SJTO, All Sizes
Junior hard service thermoplastic cord with an oil resistant jacket, for tools, lights and appliance cords. Portable cord types are listed in NEC Table 400.4. Their ampacity comes from Table 400.5(A)(1), not Table 310.16, and NEC 400.12 lists the uses cord is never allowed for, such as a substitute for fixed wiring.
We list 13 sizes of SJTO, from 18/2 to 10/4. All of them are priced online, from $0.4753/ft. Sold by the foot in whole feet from 25 ft, or on standard spools and coils. Up to 4 colors are listed per size. Each size has its own page with the price for every color and length, the date an order placed now ships, and the full specifications.
| Product | Size | Conductors | O.D. (in) | From $/ft |
|---|---|---|---|---|
| 18/2 SJTO Portable Cord | 18/2 | 2 | 0.29 | $0.4753 |
| 18/3 SJTO Portable Cord | 18/3 | 3 | 0.305 | $0.5820 |
| 18/4 SJTO Portable Cord | 18/4 | 4 | 0.335 | $0.6402 |
| 18/5 SJTO Portable Cord | 18/5 | 5 | 0.396 | $1.26 |
| 16/3 SJTO Portable Cord | 16/3 | 3 | 0.33 | $0.7857 |
| 16/4 SJTO Portable Cord | 16/4 | 4 | 0.365 | $0.8826 |
| 14/3 SJTO Portable Cord | 14/3 | 3 | 0.345 | $0.9312 |
| 14/4 SJTO Portable Cord | 14/4 | 4 | 0.415 | $1.09 |
| 14/5 SJTO Portable Cord | 14/5 | 5 | 0.45 | $1.67 |
| 12/3 SJTO Portable Cord | 12/3 | 3 | 0.43 | $1.39 |
| 12/4 SJTO Portable Cord | 12/4 | 4 | 0.475 | $0.9603 |
| 10/3 SJTO Portable Cord | 10/3 | 3 | 0.58 | $1.74 |
| 10/4 SJTO Portable Cord | 10/4 | 4 | 0.635 | $1.26 |
Code references are to the NEC; check the edition your jurisdiction has adopted and any local amendments.