Pursuant to Section 4.14 of the City Charter, there is hereby adopted by and for the City the National Electrical Code, the 1996 edition, designated NFPA No. 70-1996 and prepared and promulgated by the National Fire Protection Association, save and except such portions of such Code as may be hereinafter amended or deleted. The purpose of such Code is to provide standards for electrical materials and installations in one, two and three-family dwellings, mobile homes, multifamily dwellings and commercial and industrial buildings and structures.