Article 210 Branch Circuits Article 250 Grounding Article 300 Wiring Methods Article 404 Switches Article 408 Switchboards and Panelboards Article 430 Motors, Motor Circuits and Controllers Article 527 Temporary Installations Also mentioned are the General Information for Electrical Equipment Direct
Brush up on what the NEC says about air conditioning During the hottest parts of the summer, most people do not notice the sound of air conditioning units turning on and off, but if a unit fails to start, the effect is noticed immediately. Comfort becomes a premium to be restored at all costs.
220.19 Electric Ranges and Other Cooking Appliances Specifications for calculating branch-circuit, feeder and service loads are in Article 220 of the National Electrical Code. This article is divided into four parts: I. General, II. Feeders and Services, III.
One of the most important NEC requirements (and yet one most often ignored) is 110.22: Identification of Disconnecting Means. It reads: “Each disconnecting means shall be legibly marked to indicate its purpose unless located and arranged so the purpose is evident.
Photovoltaic (PV) modules convert sunlight into electrical energy that can be used to provide power for specific loads within a building in a standalone system or as a supplement to the building’s utility power supply in an integrated system.
220.19 Electric Ranges and Other Cooking Appliances Branch-circuit, feeder and service-load calculation provisions are in Article 220 of the National Electrical Code. While Part I is titled “General,” most of the first part pertains to branch-circuit calculations.
The arc-fault circuit-interrupter (AFCI) has been around for three National Electrical Code (NEC) cycles and, with the advent of the new 2005 NEC, will have been present in three editions, although with various changes within each edition.
Contractors need to develop highly specialized knowledge Healthcare facilities present the potential for financial gain for properly qualified electrical contractors. These projects also present a downside of risk of increased liability due to the nature of the projects and potential damages.