400A Multi-Meter + (2) 200A Dwelling Units

400A Multi-Meter + (2) 200A Dwelling Units
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Typical single-line diagram for a 400A, 120/240V, single-phase, 3-wire service for a two-family dwelling, using a two-position compartmentalized multi-meter (Square D MP Meter-Pak) with a 200A tenant breaker serving each dwelling unit panel. Includes service and feeder conductor sizes in copper and aluminum, grounding electrode conductors, surge protection, PV-ready backfeed breakers, occupant-access notes, and the equipment shop drawing. Designed to NEC 2023. Instant PDF download.
