Running raceway overhead means you can drop things on whatever or whoever is below. For example, Sam was running raceway inside a fairly tight room that served as a “data center” for a regional bank. While assembling a bracket onto the support channel, he dropped a nut. It fell into a vent in the cabinet below, bounced off something, and came to rest on the cabinet floor. Sam was lucky. The nut could have caused an arch flash between two conductors. After that close call, the
Being Careful with Raceway, Part 3
Protect people and equipment below when running raceway overhead.