400A Multi-Meter, 200A House + 100A ADU + BESS-Ready

/in /by

400A Multi-Meter, 200A House + 100A ADU + BESS-Ready

$5.99
PDFElevation PDFsCalifornia Energy Code / NEC Battery-Compliant SLD

Single Dwelling Unit with ADU

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Typical single-line diagram for a 400A, 120/240V, single-phase, 3-wire residential service using a two-position compartmentalized multi-meter (Square D MP Meter-Pak) serving a 200A main house and a 100A ADU, with a BESS-ready backup load panel at the house. Shows the two service disconnects, service and feeder conductor sizes in copper and aluminum, surge-protective devices, PV-ready backfeed breaker, ADU separate-structure requirements, 2025 California Energy Code BESS-ready provisions, and grounding electrode system per NEC 2023.