ECN Forum Forums Code Related Discussion NEC & other Code issues fire pads on boxes in rated walls

If it is a fire wall, you cannot have a opening within the same interstitial space. That is from the BOCA code, and the IBC.

If it means anything to you, we used tons of 'em at the Pentagon..... a building with a known fire problem.

If you need, reply here and I can provide a reference at work tomorrow.