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ERV Install above ceiling

Question asked by s.mcmurry on Aug 10, 2018
Latest reply on Aug 13, 2018 by brian.baughman

Good Morning,

 

I need some help with the interpretation of 400.12 and 400.10 regarding the installation of an energy recovery ventilator above a ceiling. The unit is ETL certified to UL 1812, which allows for installation of the ERV in ordinary locations in accordance with the NEC. The electrical inspector is stating that per 400.12, the unit cannot be installed above the ceiling using a power supply cord, which would be concealed. As I understand it, per 400.10, appliances that are designed to be removable and serviceable by disconnecting the power can have a power supply cord in accordance with the permitted uses in 400.10. Could someone please offer some insight on this topic?

 

Thank you,

Scott

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