• Changes for the 18th Edition - Disconnection times for distribution circuits in a TN system

    Hi, With reference to the post in " Changes for the 18th Edition ", what is the reason for considering 1 Sec (see snap below) disconnection time for Other circutis in TN system. As per BS 7671:2018 Regulation 411.3.2.3 - In a TN system, a disconnection…

  • Changes for the 18th Edition

    Product(s): Electrical designer - Connect Version(s): V8i (N/A) Environment: N/A Area: N/A Subarea: N/A Information The 18th Edition of BS:7671 Requirements for Electrical Installations comes…

  • Bentley Hevacomp - BS 7671 Amendment 3 (Correction Factor cmin)

    I have been asked to clarify that the correction factor cmin been used for calculations with the Hevacomp connect software Is this true and if so how
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