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    NEC 2020

    News supply-side-connection-c
    NEC 2020 | 705.11 | Load and Supply Side Connections

    The National Electric Code allows for a few different ways to interconnect PV systems to utility systems. In two editions of Code Corner, Ry...

    January 17, 2023
    Featured Mayfield Code Corner NEC 691
    NEC 2020 | 691 | Large-scale PV electric supply stations

    In the latest edition of Mayfield Renewables’ Code Corner, founder and CEO Ryan Mayfield walks us through National Electric Code (NEC)...

    October 24, 2022
    Featured Use-on-9_Sollega_CORE1_CommercialRooftopInstall
    Meet UL 3741: How this C&I rooftop PV system complies...

    You’ve likely forgotten this, but there are three ways to meet National Electric Code (NEC) 690.12 B[2] — the infamous rule rega...

    April 18, 2022
    Policy fire alarm
    SEC investigating Tesla’s solar fires – a reminder of PV...

    Multiple outlets reported this week that the U.S. Securities and Exchange Commission (SED) has opened an investigation into Tesla because of...

    December 8, 2021
    Featured national-electrical-code-2020
    Review of NEC 2020 code revisions and label changes for...

    The new National Electrical Code 2020 (NEC 2020) revision is now the latest installment of changes to Article 690 as well as other solar rel...

    September 7, 2021
    News
    HellermannTyton groups your 2020 NEC 690 solar PV labels in...

    HellermannTyton has grouped all solar labels required for PV installations to comply with the 2020 updates to Article 690 of the National El...

    August 4, 2021
    News
    Is UL 3741 an alternative to Module-Level Shutdown?

    As debate continues regarding the unintended consequences of the Module Level Shutdown requirement in the National Electric Code (NEC, secti...

    June 17, 2021
    News Toddler height and any disconnect switch 60 amps or less have no guards
    Lock that box: Hazard posed by switch disconnects in PV...

    Update: This article has been updated to remove the claim that the PV line in would still be live if the switch was off.  While we&rsqu...

    January 19, 2021
    News FIMER and fire raptor
    IMO FireRaptor receives UL PVRSS listing with FIMER solar inverters

    IMO keeps racking up the UL PVRSS (Photovoltaic Rapid Shutdown System) listings, last week adding the Fimer UNO range of solar inverters fro...

    December 7, 2020
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