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My kitchen range hood is vented through the roof. The vent pipe on the roof is made of metal and extends a bit higher than the roof ridge. It is connected via metal ducts to the range hood. The range hood itself is grounded.

Do I need to ground the vent pipe on the roof?

I live in the US (New York).

  • For what purpose? Lightning protection? – isherwood Nov 6 '17 at 19:48
  • How are the duct pieces held together? – ThreePhaseEel Nov 6 '17 at 23:35
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    Is the vent in close proximity to a power feed? If not I can't see it being needed. – Ed Beal Nov 7 '17 at 0:02
  • @threephaseeel with metal screws. – this Nov 8 '17 at 3:54
  • @isherwood that's the first (and so far only) thing that comes to my mind. Would it make sense though? – this Nov 8 '17 at 3:57

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