Three (3) conductors, 600 Volts, stranded bare copper conductors, thermoplastic (PVC) insulation and clear nylon jacket over each conductor, fillers where necessary, binder tape over assembled conductors, PVC jacket, braided metal armor (optional, in Aluminum or Bronze). Individual conductors are color coded in accordance with IEEE 45-1998. Flame retardant — meets IEEE 1202/UL 1685 flame test. Type TT/NTA with aluminum armor, type TT/NTB with bronze armor.
| technical specification: | |
| size approx. awg. equiv. | 500MCM |
| type & size |
TT/NT-500 |
| circular mills | 500000 |
| nom.cross section area(mm2) | 253.0 |
| cable *nominal o.d.(inches),unarmored* | 2.45 |
| cable approx. weight per 1000 feet(Unarmored) | 6472 |
| armored cable approximate weight per 1000 feet(aluminum) | 6594 |
| armored cable approximate weight per 1000 feet(bronze) | 7360 |
| ampacity @ 45°c ambient(90° c rating) | 393 |
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