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More in Q&A

  • Oct. 6, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. Does the NEC require that replacement receptacles be updated to provide GFCI protection?...More
  • Sep. 22, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. Are outlet boxes allowed to be supported by the ceiling framing members of a suspended ceiling system or must independent support wires be added?...More
  • Sep. 20, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? September 2011

    Your most pressing National Electrical Code (NEC) questions answered...More
  • Sep. 8, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. How do I size the conductors for an arc welder?...More
  • Aug. 19, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? August 2011

    Your most pressing National Electrical Code (NEC) questions answered...More
  • Aug. 18, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A 1

    Q. What are the disconnecting requirements for a transformer?...More
  • Aug. 4, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. Is it acceptable to install communication cable in the same lighting pole that is being used as a raceway for lighting conductors?...More
  • Jul. 29, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? July 2011 1

    Your most pressing National Electrical Code (NEC) questions answered...More
  • Jul. 7, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. I'm confused. Can you please explain the 25-ft feeder tap rule and provide an example?...More
  • Jun. 21, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? June 2011 3

    Your most pressing National Electrical Code (NEC) questions answered...More
  • Jun. 16, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. What are the grounding requirements for a portable generator?...More
  • Jun. 2, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. What wiring methods are allowed in ducts and other spaces used for environmental air handling?...More
  • May 23, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? May 2011

    Your most pressing National Electrical Code (NEC) questions answered...More
  • May 19, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. When can power distribution blocks be installed in junction boxes?...More
  • May 5, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. What does the NEC require when replacing receptacles in locations that now require arc fault circuit interrupter (AFCI) protection?...More
  • Apr. 21, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. What is the minimum vertical clearance for overhead service conductors above a roof?...More
  • Apr. 21, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? April 2011

    Your most pressing National Electrical Code (NEC) questions answered...More
  • Apr. 7, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. Is an equipment grounding conductor allowed to serve dual duty as a grounding electrode conductor?...More
  • Mar. 23, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? March 2011

    Your most pressing National Electrical Code (NEC) questions answered...More
  • Mar. 17, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. What is the rule for adjusting the ampacity of conductors based on the number of conductors in the raceway?...More
  • Mar. 3, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. What are the GFCI protection requirements for agricultural buildings wiring?...More
  • Feb. 23, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? February 2011

    Your most pressing National Electrical Code (NEC) questions answered...More
  • Feb. 17, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. Can I install 120V conductors in the same space with 277V conductors? If the answer is yes, what restrictions apply?...More
  • Feb. 3, 2011
    article
    Electrical Construction and Maintenance

    Code Q&A

    Q. What are the vertical clearance requirements for overhead conductors over a roof?...More
  • Jan. 24, 2011
    article
    Electrical Construction and Maintenance

    Stumped by the Code? January 2011

    Your most pressing National Electrical Code (NEC) questions answered...More
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