Cable tray not vertical
Answer: There is no NEC or other limitation on cable trays that would prevent the "Edge-Wise" orientation. This type of installation minimizes dust accumulation in dust locations and could be advantageous in other situations. en completely installed, without damage either to conductors or structural system use maintain spacing or to keep cables in place when the tray is ect the minimum bend ra-dius for cables as they exit the bottom of the cable tray. Yes, wire mesh baskets and cable trays can be installed vertically or overhead, and they absolutely should be in many cabling projects.
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