Can cable trays be installed in a ventilation fan room
Ladder or ventilated trough cable tray is an ideal support system for Type MI cable. These trays are used to support and protect the cables, but they must also allow air to circulate freely, ensuring that the heat generated by the cables does not build up and damage them by overheating. If you mean "Other Space Used for Environmental Air", such as above a suspended ceiling used for return air of an HVAC system, you can install solid bottom metal tray with. 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.
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