• Home >
  • Back Issues >
  • Electrical Construction & Maintenance >
  • April 2023

    • April 2023

    Electrical Construction & Maintenance: Volume 122, Issue 4

    More content from April 2023

    Fig. 1. Rigid metal conduit requirements can be found in NEC Art. 344.
    Do you know the rules for installing the four types of metal conduit listed in the NEC?
    April 14, 2023
    Fig. 1. The area of all conductors at any cross section does not exceed 40% of the cross-sectional area of that space.
    Answering your NEC questions
    April 14, 2023
    Main street in small town
    How electrical contractors can make networked lighting controls more affordable, attractive, and useful for smaller facilities
    April 11, 2023
    NPS Lighting 2023
    Check out the latest product innovations in luminaires, lamps, sensors, and controls.
    April 11, 2023
    Ellenheadshot
    What's having the greatest impact on the lighting & controls market
    April 11, 2023
    exposed receptacle in wet location
    Can you spot the Code violation in this photo?
    March 30, 2023
    countertop in kitchens with receptacles installed on wall
    Getting to the bottom of where to install receptacle outlets on the walls at countertop surfaces.
    March 30, 2023
    air conditioning units with disconnect installed behind unit
    See the latest Code violations from NEC Consultant Russ LeBlanc.
    March 30, 2023
    © Artur Szczybylo | Dreamstime.com
    rebate on keyboard
    Check out the latest trends in commercial lighting rebates for 2023
    March 1, 2023