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A Word from Jake

• Follow up to 230.71 (B) Number of Disconnects and the new requirement for separation on multiple mains.
  by Jake
  March 24, 2024
  I’ve been getting a few calls lately about the new requirement for separation of mains when more than one main is supplied.  Yes they need to be separated and or separate, and grouped together, below you will see the old and new ways to comply with this requirement.  I’ve also seen a bar that can… Read more: Follow up to 230.71 (B) Number of Disconnects and the new requirement for separation on multiple mains.
• 314.16(B)(5) Equipment Grounding Conductor Fill. NEW for 2020
  by Jake
  March 17, 2024
  When there is more than 4 ground wires in a box as shown below, the ones over 4 shall be counted as a 1/4 of a volume each (cu. in.) based on largest ground in the box.  New to the 2020 and could put you over on box fill. PICTURE OF THE WEEK KIND OF… Read more: 314.16(B)(5) Equipment Grounding Conductor Fill. NEW for 2020
• Single Phase dwelling services
  by Jake
  March 3, 2024
  It’s back, after a few years they finally brought this table back into the Code.  For the last few cycles it has been found in the examples back in Annex D.  It’s been a few years but it’s back  The 83% still lives on, but they also gave us 31012 TABLE, which shows us what… Read more: Single Phase dwelling services

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