Temporary Ballroom Power

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AzViper

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Tucson
Our resort I have over the last 25 years have built Temporary power disribution 200a panels that we run 2o cables. Everything is connected using Camloks connectors. This system has been in place for 20 years. Recently the fire marshal says the system can no longer can be used due the cables having temporary penetrating firewalls from the back of the ballrooms to the inside of the ballrooms. On the backside of these ballrooms we have installed a cable trap thats 15 feet above the floor. Just above the cable tray we have Camloks installed and piped back to the panels.

The fire marshall now wants 2 hour fire rated electrical boxes recessed into the firewalls on the ballroom side and piped back to the main panels. These boxes have to contain 5 Camlok connections with some having 30A 5 wire twistlock receps. As you can imagine this is going to get very expensive as I have 7 areas within our ballrooms that have to have this temporary power for trade shows and production events.

Question: Where or who makes these type of distribution panels that are designed to be in a fire rated wall?
 
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