Southwire’s Instrumentation Cables Type TC-ER per UL 1277 are suitable for installations as outlined in NEC Article 336 for process control and instrumentation, control circuits for operation and interconnection of protective and signaling devices and for general use in manufacturing, industrial and commercial distribution systems. Cables are constructed with 7-strand copper conductors insulated with nylon covered PVC. The paired conductors are colored black, white, and alpha-numeric printed. Each pair has an aluminum polyester foil with 100% coverage and a tinned drain wire. The overall assembly is covered with an aluminum polyester foil with 100% coverage and a tinned drain wire. The cable is suited for use in cable trays, raceways, conduit, aerial (when supported with a messenger) and direct burial. The cable is rated for -30°C to 90°C and rated for Class I Div II hazardous locations, sun and oil resistant. The jacket is black PVC with a nylon rip cord for easy removal.
Stock # | 56302789 56302789 | |
Cond. Size (AWG/Kcmil) | 18 18 | |
Conductor Number | 4.0 4.0 | |
Diameter Over Conductor (in) (cm) | 0.045 0.11 | inch cm |
Insulation Thickness (mils) (mm) | 15 0.38 | mils mm |
Jacket Thickness (mils) (mm) | 45 1.14 | mils mm |
Approx. OD (in) (cm) | 0.460 1.17 | inch cm |
Approx. Weight (lbs/1000') (kgs/km) | 119 177 | lbs/1000' kgs/km |
Min. Bend Radius (in) (cm) | 2.7 6.86 | inch cm |
DC Resistance @ 25C (ohms/1000') (ohms/km) | 6.669 9.92 | ohms/1000' ohms/km |