Electical Contractor

CODE CITATIONS Article 110 Requirements for Electrical Installations Article 230 Services Article 240 Overcurrent Protection Article 250 Grounding Article 310 Conductors for General Wiring Article 400 Flexible Cords and Cables Article 406 Receptacles, Cord Connectors and Attachment Plugs (Caps) Arti

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

Article 305 for temporary wiring in the 1999 National Electrical Code has been relocated to Article 527 covering temporary installations in the 2002 NEC.

A little innovation goes a long way More than 25 years ago, Rexel’s Upper Marlboro (Md.) Regional Distribution Center came up with a value-add to improve service to contractor customers. Among the first to take advantage of Rexel’s wire cutting and paralleling service was Dynalectric Co.

It’s obvious that fiber optics is not copper wiring. Advantages of fiber include the capability of going longer distances at higher speeds, plus immunity to electromagnetic radiation. These advantages overcame its cost disadvantage and made it the cabling choice for telecommunication and CATV.

While the general market outlook for unshielded twisted-pair (UTP) and coax cable is flat, certain segments will jump this year. “Overall market growth will be in the lower single-digit area,” said Bill Miller, director of marketing for Belden Electronics Division.

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

The Telecommunications Industry Association (TIA) has published two new standards, 'Commercial Building Telecommunications Cabling Standard, Part 2: Balanced Twisted Pair Cabling Components, Addendum 1 -- Transmission Performance Specifications for Four-Pair 100 Category 6 Cabling.