411.1.3.3 Prohibited locations and penetrations.
FGC § 411.1.3.3
Connectors shall not be concealed within, or extended through, walls, floors, partitions, ceilings or appliance housings. Exceptions: 1. Connectors constructed of materials allowed for piping systems in accordance with Section 403 shall be permitted to pass through walls, floors, partitions and ceilings where installed in accordance with Section 409.5.2.
2.Rigid steel pipe connectors shall be permitted to extend through openings in appliance housings.
3.Fireplace inserts that are factory equipped with grommets, sleeves or other means of protection in accordance with the listing of the appliance.
4.Listed connectors shall be permitted to extend through an opening in an appliance housing, cabinet or casing where the tubing or connector is protected against damage.













