Southwire Type SEU, service entrance cable is primarily used to convey power from the service drop to the meter base and from the meter base to the distribution panelboard; however, the cable may be used in all applications where Type SE cable is permitted. SER may be used in wet or dry locations at temperatures not to exceed 90°C. Voltage rating is 600 volts. SE cables are not permitted underground, with or without a raceway, per NEC 338.12(A)(2).
| Cond. Size | 4 AWG 4 AWG | |
| Conductor Number | 2 2 | |
| Cond. Strands | 7 7 | |
| Diameter Over Conductor (in) (cm) | 0.225 0.57 | inch cm |
| Inner Layer Thickness (mils) (mm) | 45 1.14 | mils mm |
| Outer Layer Thickness (mils) (mm) | 30 0.76 | mils mm |
| Approx. OD (in) (cm) | 0.500 x 0.819 1.27 x 2.08 | inch cm |
| Copper Weight (lbs/1000') (kgs/km) | 349 519 | lbs/1000' kgs/km |
| Approx. Weight (lbs/1000') (kgs/km) | 431 641 | lbs/1000' kgs/km |
* Strand count meets minimum number per ASTM
