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(D) Back-Fed Devices
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Plug-in-type overcurrent protection devices or plug-in type main lug assemblies that are backfed and used to terminate field-installed ungrounded supply conductors shall be secured in place by an additional fastener that requires other than a pull to release the device from the mounting means on the panel.
Related Code Sections
(D) Equipment for General Use, Back-Fed Devices
Plug-in-type overcurrent protection devices or plug-in type main lug assemblies that are backfed and used to terminate field-installed ungrounded ...
National Electrical Code 2020 of Minnesota > 4 Equipment for General Use > 408 Switchboards, Switchgear, and Panelboards > 408.36 Overcurrent Protection > (D) Back-Fed Devices
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National Electrical Code 2020 of Minnesota > 7 Special Conditions > 705 Interconnected Electric Power Production Sources > 705.12 Load-Side Source Connections > (B) Bus or Conductor Ampere Rating > (3) Busbars
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Means shall be provided such that, upon loss of voltage from the utility or other electrical system(s), energy cannot be back fed through ...
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