SO or SJ cable in cable tray

[aceofdiamond]

custmer wants cable tray with SO cord for power drops in equipment room. also wants receptacle box attached to the tray. Is any part of this OK?
article 392 saye nothing about SO cable being permited in tray and nowhere anything about attaching J boxes or receptacle boxes to the cable tray. thanks in advance for any help you can give.
Ace

 

[roger]

Re: SO or SJ cable in cable tray

Ace, you are right, S.O. is not approved for Cable Tray use, but mounting conduit and boxes on it is.

Roger