Service Entrance (SE) Cable (SER/SEU)

    Type SE, Style SER and SEU Service Entrance Cable

    Copper Aluminum Service Entrance (SE) Cable

    ground service entrance cable

    SEU: Service Entrance cable, Unarmored

    SER: Service Entrance cable with Reinforcement tape


Type SE, 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.


Type SE cable is constructed with aluminum alloy, compacted stranded conductors. The conductors are covered with a sunlight resistant Type XHHW-2 or Type THHN/THWN-2-insulation. A reinforcement tape is wrapped around the conductors for added strength and conformity. A gray sunlight-resistant polyvinyl chloride (PVC) outer jacket covers the entire assembly. Style SEU cable has two phase conductors surrounded by a concentric neutral while the SER style has two, three or four phase conductors and a bare neutral.

Style SER Cable’s phase conductors are identified by a colored stripe on the insulation. 3 conductor – Black and Black with Red Stripe

4conductor – Black, Black with White Stripe and Black with Red Stripe

5conductor – Black, Black with White Stripe, Black with Red Stripe and Black with Blue Stripe

Type SE cable is constructed with sunlight resistant Type XHHW- 2 conductors or Type THHN/THWN conductors. Copper conductors are annealed (soft) copper. Cable assembly plus reinforcement tape are jacketed with sunlight resistant gray polyvinyl chloride (PVC). Available as 1 conductor with a concentric ground, 2 conductor with a round or concentric ground, or 3 conductor with a bare ground. SE cable is jacketed with gray sunlight resistant polyvinyl chloride (PVC).

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