Wires that penetrate through the polyethylene air barrier will need to be sealed with acoustical and/or approved tape
Wires should ideally always penetrate wood framing or backing to ensure better air sealing and durability
Wires that penetrate in wood wall studs, or top and bottom plates, need to be sealed using expanding foam or acoustical sealant supported by an approved tape
Using only acoustical sealant without tape is not permitted as it is required to be sandwiched between two materials
