Article 110 Requirements for Electrical Installations Article 230 Services Article 406 Receptacles, Cord Connectors and Attachment Plugs (Caps) Article 408 Switchboards and Panelboards Article 410 Luminaires (Lighting Fixtures), Lampholders and Lamps Article 440 Air-Conditioning and Refrigeration Equipment Article 450 Transformers and Transformer Vaults Working space Q: I have a 400-ampere, 480Y/2 READ MORE
George W. Flach
Code Q&A Columnist
George W. Flach was a regular contributing Code editor for Electrical Contractor magazine, serving for more than 40 years. His long-running column, Code Q&A, is one of the most widely read in the magazine's history. He is a former chief electrical inspector for New Orleans and held many other prestigious positions in the electrical industry, including IAEI board of directors and executive committee. He passed away in August 2009.
Articles by George W. Flach
April 2002
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CODE CITATIONS Article 110 Requirements for Electrical Installations Article 210 Branch Circuits Article 250 Grounding Article 310 Conductors for General Wiring Article 404 Switches Article 408 Switchboards and Panelboards Article 670 Industrial Machinery Branch circuit for refrigerator in dwelling unit Q: A 15-ampere, 125-volt branch circuit is installed for the refrigerator in the kitchen of a d READ MORE
March 2002
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CODE CITATIONS Article 100—Definitions Article 210—Branch Circuits Article 230—Services Article 695—Fire Pumps Article 725—Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits Article 760—Fire Alarm Systems Article 770—Optical Fiber Cables and Raceways Article 800—Communication Circuits Article 820—Community Antenna Television and Radio Distribution Systems Article 8 READ MORE
February 2002
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CODE CITATIONS Article 100—Definitions Article 225—Outside Branch Circuits and Feeders Article 230—Services Article 250—Grounding Article 310—Conductors for General Wiring Article 320—Armored Cable: Type AC Article 430—Motors, Motor Circuits, and Controllers Article 445—Generators Article 518—Places of Assembly Article 695—Fire Pumps Insulating bushings and MC cable Q: Are insulating bushings requ READ MORE
May 2001
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CODE CITATIONS Article 210—Branch Circuits Article 250—Grounding Article 424—Fixed Electric Space Heating Equipment Article 700—Emergency Systems Bonding gas piping Q: The November 2000 issue of Electrical Contractor magazine included a question about the required size of the bonding conductor to be used to bond the gas piping to the grounding electrode. READ MORE