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

July 2004
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 Directory and Volume 1 of the Fire Resistance Directory, both published by Underwriters Laboratories Inc. READ MORE
June 2004
CODE CITATIONS Article 100 Definitions Article 210 Branch Circuit Article 220 Branch Circuit, Feeder and Service Calculations Article 240 Overcurrent Protection Article 250 Grounding Article 310 Conductors for General Wiring Article 334 Nonmetallic Sheathed Cable; Types NM, NMC and NMS Article 404 Switches Article 422 Appliances Article 517 Healthcare Facilities Article 680 Swimming Pools, Fountai READ MORE
May 2004
CODE CITATIONS Article 250 Grounding Article 314 Outlet, Device, Pull and Junction Boxes; Conduit Bodies, Fittings and Manholes Article 430 Motors, Motor Circuits and Controllers Article 440 Air Conditioning and Refrigerating Equipment Article 517 Healthcare Facilities Article 695 Fire Pumps Overcurrent protection for air conditioning equipment Q:I installed a remote condensing unit (hermetic moto READ MORE
April 2004
CODE CITATIONS Article 200 Use and Identification of Grounded Conductors Article 210 Branch Circuits Article 240 Overcurrent Protection Article 300 Wiring Methods Article 334 Nonmetallic-Sheathed Cable: Types NM, NMC and NMS Article 362 Electrical Nonmetallic Tubing: Type ENT Article 450 Transformers and Transformer Vaults Color code for neutral conductors Q: I am installing 208Y/120V and 480Y/277 READ MORE
March 2004
CODE CITATIONS Article 90 Introduction; Article 110 Requirements for Electrical Installations; Article 210 Branch Circuits; Article 220 Branch-Circuit, Feeder and Service Calculations; Article 250 Grounding; Article 300 Wiring Methods; Article 310 Conductors for General Wiring; Article 400 Flexible Cords and Cables; Article 518 Places of Assembly; Article 760 Fire Alarm Systems. READ MORE
February 2004
CODE CITATIONS Article 210 Branch Circuits Article 250 Grounding Article 300 Wiring Methods Article 310 Conductors for General Wiring Article 334 Nonmetallic Sheathed Cable: Types NM, NMC and NMS Article 422 Appliances Article 518 Places of Assembly Article 700 Emergency Systems Wiring air conditioning equipment Q:Does the National Electrical Code permit the installation of Type NM-B (Nonmetallic READ MORE
January 2004
CODE CITATIONS Article 110 Requirements for Electrical Installations Article 210 Branch Circuits Article 250 Grounding Article 310 Conductors for General Wiring Article 314 Outlet, Device, Pull and Junction Boxes; Conduit Bodies; Fittings; and Manholes Article 410 Luminaires (Lighting Fixtures), Lampholders and Lamps Article 430 Motors, Motor Circuits and Controllers Article 518 Places of Assembly READ MORE
December 2003
CODE CITATIONS Article 210 Branch Circuits Article 250 Grounding Article 408 Switchboards and Panelboards Article 430 Motors, Motor Circuits and Controllers Article 680 Swimming Pools, Fountains and Similar Installations Volume One of the 2003 edition of the Fire Resistance Directory published by Underwriters Laboratories Inc. is also mentioned. READ MORE
November 2003
CODE CITATIONS Article 220 Branch-Circuit, Feeder and Service Calculations Article 230 Services Article 240 Overcurrent Protection Article 310 Conductors for General Wiring Article 312 Cabinets, Cutout Boxes and Meter Socket Enclosures Article 404 Switches Article 410 Luminaires (Lighting Fixtures), Lampholders and Lamps Article 430 Motors, Motor Circuits and Controllers Article 440 Air Condition READ MORE

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