Branch-Circuit, Feeder and Service Calculations, Part XXVII: Article 220 C Load Calculations

摘要

220.55 Electric Ranges and Other Cooking Appliances-Dwelling Unit Load Calculation Requirements are in Article 220 of the National Electrical Code (NEC). This article provides requirements for calculating branch-circuit, feeder and service loads. Requirements in Article 220 are divided into five parts. Part I covers general requirements for calculation procedures. Part II provides calculation provisions for branch circuits. Feeder and service calculation requirements (sometimes referred to as the standard method) are in Part III. Part IV specifies optional feeder and service load calculations, and it contains optional load-calculation procedures for a single dwelling unit, an existing dwelling unit, a multifamily dwelling, two dwelling units, a school, an existing installation and a new restaurant. Farm loads must be calculated in accordance with Part V of Article 220.