Electical Contractor

Article 210 Branch Circuits Article 215 Feeders Article 240 Overcurrent Protection Article 300 Wiring Methods Article 320 Armored Cable Article 352 Rigid Nonmetallic Conduit Article 404 Switches Article 604 Manufactured Wiring Systems Article 680 Swimming Pools, Fountains and Similar Installations A

210.70 Lighting Outlets Required The National Electrical Code states its purpose as “the practical safeguarding of persons and property from hazards arising from the use of electricity.” [90.1(A)] The adequacy of the Code is covered in 90.1(B).

 Moving toward standardization Certain elements of the installation of wiring/cabling for residential low-voltage systems are on their way to becoming “standardized,” or at least looked at as benchmarks. Here is a closer look at some guidance for a “standards compliant” installation.

Because we all want to feel safe and secure, the prevalence and necessity of security systems has always been a driving factor in business and industry. The tragic events of Sept.

210.52(H) Hallways Article 210 covers branch circuits except for those supplying only motor loads. Motor-load requirements are covered in Article 430. Receptacle-placement provisions are stipulated in 210.52(A) through (H).

CODE CITATIONS Article 225 Feeders Article 230 Services Article 250 Grounding Article 408 Switchboards and Panelboards Article 445 Generators Article 680 Swimming Pools, Fountains and Similar Installation Systems NFPA 20 1999 Standard for the Installation of Stationary Pumps for Fire Protection Grou

CODE CITATIONS Article 100 Definitions Article 210 Branch Circuits Article 230 Services Article 250 Grounding Article 312 Cabinets, Cutout Boxes and Meter Socket Enclosures Article 445 Generators Article 518 Places of Assembly Disconnect for multiwire branch circuit Q: There was a requirement in the

In 1996, Congress passed the Telecommunications Act to “provide for a pro-competitive, de-regulatory national policy framework designed to accelerate rapidly private sector deployment of advanced telecommunications and information technologies and services to all Americans ...” That’s all well and g

CODE CITATIONS Article 110 Requirements for Electrical Installations Article 250 Grounding Article 408 Switchboards and Panelboards Article 410 Luminaires (Lighting Fixtures), Lampholders, and Lamps Article 430 Motors, Motor Circuits, and Controllers