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SEU
Service & underground

SEU

Oval service-entrance cable with a concentric neutral construction.

United States
Sizes, construction & electrical data
SEU / TECHNICAL DATA

Sizes, construction & electrical data

Dimensional and electrical reference · Copper · 600 V

Conductor material
Copper (Cu)
Insulation material
PVC + nylon
Rated voltage
600 V
Maximum conductor temperature
90°C
Jacket / armour
PVC
Ampacity basis
2023 NEC Table 310.16; applicable correction and termination rules apply
Dimensional and electrical reference · Copper · 600 V
ConfigurationNominal area / conductormm²Conductor sizeAWG / kcmilInsulated conductorsDiameter over bare conductormmStrands per conductorInsulation wallmmNeutral / bare conductorNo. × AWGOuter jacket wallmmOverall dimensions / diametermmCopper weightkg/kmApproximate cable weightkg/kmMinimum bend radiusmmDC conductor resistance at 25°CΩ/kmAC resistance at 75°CΩ/kmInductive reactance at 60 HzΩ/kmReference ampacity, 75°C columnAReference ampacity, 90°C columnASelection
10/25.2611022.591Solid0.5331x100.7627.493x11.405139.9194.945.723.4124.2360.1643540
8/28.366823.60770.7871x80.7629.957x15.443242.6331.960.962.1422.6570.1715055
6/213.302624.52170.7871x80.76210.998x17.399331.9434.568.581.3481.6730.1676575
6/213.302624.52170.7871x60.76210.998x17.399378480.768.581.3481.6730.1676575
4/221.151425.71571.1431x60.76212.7x20.803520.9641.483.820.8461.050.1578595
4/221.151425.71571.1431x40.76213.437x21.539611.6736.686.360.8461.050.1578595
2/233.631227.18871.1431x40.76214.91x24.486837.8985.299.060.5310.6590.148115130
2/233.631227.18871.1431x20.76215.215x24.79950.91099.899.060.5310.6590.148115130
2/0/267.4312/0210.287191.3971x2/00.76220.091x33.4521927.22153.4167.640.2690.3350.141175195

Typical applications

Permitted service-drop, meter and main-panel connections.

Design advantages

Compact service cable configuration.

Selection notes

Not for underground installation. A concentric neutral does not provide every feeder grounding configuration.

Standards to review

UL 854; NFPA 70 §338

Related cable families

TGS · VIETNAM

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