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(A) National Electric Code (NEC) Table 310-13 identifies acceptable types of underground service entrance cable. Underground feeder and branch circuit cable shall be an approved type UF cable in sizes No. 14 copper, or No. 12 aluminum or copper-clad aluminum through No. 4/0.
This cable transports power from the utility company to the line side of the meter base — and then from the load side of the meter base to the breaker box or panelboard. It can be used in aerial (aboveground installations) as well as underground installations (if marked with SEU).
The Southwire Company Stephens 500 ft. 4/3 Underground Residential Distribution Cable is intended for secondary-distribution, streetlight and underground-service applications at 600-Volt or less. Stranded, compressed aluminum conductors with a triplex configuration.
Underground Service Entrance (SEU) Cable Design: It is made up of more than one insulated conductor with a robust material, usually in a flat form. Use: Most often installed below surface level where there is a higher risk for moisture penetration as well as physical damage due to external factors.
Service entrance cables transmit electricity from utility companies’ electrical wires. They come in two main types: SER and SEU. They’re safe to use for above-ground connections, withstanding rain and snow. Frequently Asked Questions. Q: What’s a service entrance cable?
Only the 11 wiring methods listed in Sec. 230.30(B) can contain underground service conductors. These include IMC conduit, PVC conduit, and IGS cable. Underground service conductors must have the ampacity to carry the load as calculated per Parts II through V of Art. 220 [Sec. 230.31(A)].
Shop Southwire SWEETBRIAR 4/0-4/0-2/0 Stranded Aluminum URD By-the-foot in the Service Entrance Cables department at Lowe's.com. Used for secondary-distribution and underground-service applications at 600 volts or less.