When installing 120VAC fixtures in a high-bay type application and using a cord and plug connection, are twist-lock plug and connectors required or can the standad 120VAC straight plug and connecters be used? Plugs would be mounted directly above the fixtures.
I would think locking plugs would be preferred. Whatever you do, use good plugs -Hubbell or Leviton only. P&S, anything from cooper, and the like are inferior