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

January 2003
Question: I know you have addressed the practice of using 15 amp rated conductors for switch legs in residential 20 amp lighting circuits. I still have electricians saying it meets code. Will you try again? Thanks, Don Stephens Answer: Thanks for your comment Don. I’m glad you said the installers are saying it meets Code. That makes it easier to answer. READ MORE
January 2003
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 Article 408 Switchboards and Panelboards Three-phase, four-wire delta service Q:I have a 400-ampere se READ MORE
November 2002
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 Ground-fault protection for an on-site generator Q: Members of our design team are discussing the requir READ MORE
October 2002
210.52(C)(5) Receptacle Outlet Location Provisions stipulating the placement of receptacle outlets are covered in 210.52 through 210.63. Requirements for placing receptacles in dwelling units are located in 210.52(A) through (H). Last month's In Focus covered requirements pertaining to kitchen and dining room counter spaces. READ MORE
September 2002
210.52(C)(3) Peninsular Counter Spaces Article 210 covers branch circuits except those that supply only motor loads. Motor load requirements are covered in Article 430. Receptacle placement provisions for dwelling units are stipulated in 210.52(A) through (H). READ MORE
September 2002
CODE CITATIONS Article 90 Introduction Article 110 Requirements for Electrical Installations Article 250 Grounding Article 404 Switches Article 430 Motors, Motor Circuits and Controllers Article 440 Air Conditioning and Refrigerating Equipment Routing grounding electrode conductor Q: We have to install a 50 kVA, singlephase, dry-type transformer (480 volts to 120/240 volts) in an area that is abou READ MORE
August 2002
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 READ MORE
July 2002
CODE CITATIONS Article 110 Requirements for Electrical Installations Article 230 Services Article 240 Overcurrent Protection Article 310 Conductors for General Wiring Article 430 Motors, Motor Circuits, and Controllers Article 450 Transformers and Transformer Vaults Article 695 Fire Pumps Warning signs for electrical equipment Q: We are installing a 1,000-ampere switchboard as a replacement for a READ MORE
June 2002
Article 210 Branch Circuits Article 220 Branch-Circuit, Feeder, and Service Calculations Article 230 Services Article 250 Grounding Article 404 Switches Article 410 Luminaires (Lighting Fixtures) Lampholders, and Lamps Article 445 Generators Article 702 Optional Standby Systems Volume I of the Fire Resistance Directory published by Underwriters Laboratories Inc. is also mentioned. READ MORE

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