Electical Contractor

CODE CITATIONS Article 210 Branch Circuits Article 220 Branch Circuit, Feeder and Service Calculations Article 250 Grounding Article 352 Rigid Nonmetallic Conduit: Type RNC Article 422 Appliances Article 430 Motors, Motor Circuits, and Controllers Article 514 Motor Fuel Dispensing Facilities Article

The federal government has been driving the process to develop an interconnected standard to establish the criteria and requirements of distributed generation (also called distributed resources or dispersed generation) to be connected into the utility-owned electric power grid.

CODE CITATIONS Article 210 Branch Circuits Article 220 Branch Circuit, Feeder and Service Calculations Article 250 Grounding Article 334 Nonmetallic Sheathed Cable: Types NM, NMC, and NMS Article 422 Appliances The General Information for Electrical Equipment Directory published by Underwriters Labo

CODE CITATIONS Article 230            Services Article 250            Grounding Article 404            Switches Article 408             Switchboards and Panelboards Article 430            Motors, Motor Circuits and Controllers Article 645            Information Technology Equipment

210.63 Heating, Air-Conditioning and Refrigeration Equipment Outlet Article 210 specifies provisions for all branch circuits except for branch circuits supplying only motor loads, which are covered in Article 430.

210.62 Show Windows Requirements specifying the placement of receptacle outlets are covered in 210.52 through 210.63. The majority of these provisions pertain to dwelling units.

As commercial, industrial and educational facilities become more dependent on information technology (IT) equipment for performing the day-to-day tasks, the quality of electrical supply that powers these growing loads becomes more of a factor.

CODE CITATIONS Article 110 Requirements for Electrical Installations Article 215 Feeders Article 220 Branch Circuit, Feeder and Service Calculations Article 250 Grounding Article 400 Flexible Cords and Cables Article 404 Switches Article 430 Motors, Motor Circuits and Controllers Aluminum wire termi

CODE CITATIONS Article 110 Requirement for Electrical Installations Article 215 Feeders Article 220 Branch-Circuits, Feeders, and Service Calculations Article 230 Services Article 240 Overcurrent Protection Article 250 Grounding Article 300 Wiring Methods Article 310 Conductors for General Wiring Ar