BASIC NEC CODE RULES AND DESIGN PRACTICE

Maximum loading for any branch circuit is 80% of rating of circuit for ampacity of wire for any load. NEC 220-2, use NEC 310-16 for ampacity. ... Maximum KVA for 20 Amp circuit is (16 Amp)(.115 KV) = 1.84 KVA= 1840VA . Out lets (Duplex = 1 outlet) ... 1% preferable. Service Entrance to Transformer 2%. Building Electrical Design Order . Select ... ................
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