For those folks who are planning a new barn or upgrading electrical components in your existing barn: Steve Corcoran checked the current National Electrical Code and reports that discussion with the electrical engineering department at the National Fire Protection Association (NFPA) indicated that any outbuilding where livestock MAY be held, fed or treated, classifies that building as an agricultural building and the highly corrosive environment created by the combination of moisture and livestock manure creates the presence of a possible electrical shock/fire safety hazard, so non-metallic conduit is required.
Please consult your local fire safety inspector to make sure you’re in compliance before you begin construction or refitting.
