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

October 2003
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) Article 430 Motors, Motor Circuits and Controllers Article 511 Commercial Garages, Repair and Storage Ar READ MORE
September 2003
CODE CITATIONS Article 110 Requirements for Electrical Installations Article 250 Grounding Article 334 Nonmetallic-Sheathed Cables: Types NM, NMC and NMS Article 422 Appliances Article 517 Health Care Facilities Article 680 Swimming Pools, Fountains and Similar Installations Grounding a feeder circuit to a second building Q:How do I size a feeder grounding conductor to a second building or struct READ MORE
August 2003
CODE CITATIONS Article 210 Branch Circuits Article 220 Branch Circuits, Feeder and Service Calculations Article 250 Grounding Article 320 Armored Cable Article 410 Luminaires (Lighting Fixtures), Lampholders and Lamps Article 430 Motors, Motor Circuits and Controllers Volume 1 of the Fire Resistance Directory is also mentioned. READ MORE
July 2003
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 Article 695 Fire Pumps Manufactured wiring systems Q: Is it necessary to support manufactured wiring READ MORE
June 2003
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 760 Fire Alarm Systems 480V branch circuits for lighting Q: May I install 480V mercury-vapor lighti READ MORE
May 2003
CODE CITATIONS Article 210 Branch Circuits Article 220 Branch Circuit, Feeder and Service Calculations Article 250 Grounding Article 334 Nonmetallic Sheathed Cable: Types NM, NMC, and NMS Article 422 Appliances The General Information for Electrical Equipment Directory published by Underwriters Laboratories Inc. is also mentioned. READ MORE
April 2003
CODE CITATIONS Article 230            Services Article 250            Grounding Article 404            Switches Article 408             Switchboards and Panelboards Article 430            Motors, Motor Circuits and Controllers Article 645            Information Technology Equipment READ MORE
March 2003
CODE CITATIONS Article 110 Requirements for Electrical Installations READ MORE
February 2003
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 terminations Q:Is there a requirement in the National Electrical Code (NEC) for the use of an oxide inhib READ MORE

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