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In thje 2019 Edition of NFPA 20 18.104.22.168 states "No arc fault interruption means shall be installed in any fire pump control or power circut. Now immediately after it 22.214.171.124 states Arc-resistant equipment shall be permitted.
I know this is not exactly the same thing but isn't it still somewhat conflicting information? Isn't arc fault interruption a type of arc resistant equipment? There is no definition or annex material for the existing or new information