ACCA announces its success in achieving the National Fire Protection Association (NFPA) exemption of all outdoor HVAC equipment from the 2020 and 2023 National Electrical Code (NEC) Ground Fault Circuit Interrupter (GFCI) protection.
from Odor Management Plan in Controlling Smoke Odor https://ift.tt/oTnJy0A
via https://ift.tt/Ule4gvA
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