INDOOR METALCLAD SWITCHGEAR & CONTROL GEAR ASSEMBLY;12 KV;1250 AMP;25 KA; SINGLE FEEDER UNIT;WIRING PROVISIONS FOR OC,EF,CBF & FEEDER DIFFERENTIAL PROTECTION;INCLUDES ADDITIONAL BOC BEF CT & REVENUE METERING CT'S WITH NATA CERTIFICATION;TOP ENTRY CABLE BOX-SIZE TO BE SPECIFIED WHEN ORDERING;