Vapour Barriers around Electrical Boxes - Why it is Important
Hubbell-Raco 2011-FBAR Non Metallic 2-3/4-Inch Deep Electrical Box, with 1 Gang, Bracket and Vapor Barrier Protection, 2-1/4-Inch x 3-1/2-Inch - - Amazon.com
electrical - How do I retrofit a junction box in an insulated wall? - Home Improvement Stack Exchange