3.5 SOUND RETARDING PROVISIONS FOR RESISTING SOUND TRANSMISSION
Use sealing compound to fill the annular spaces between all receptacle
boxes and the partition finish material through which the boxes
protrude in stud-framed partitions. Do not locate receptacles on
opposite sides of the stud-framed partitions in the same stud space.
ELECTRICAL DESIGN MANUAL
RECEPTACLE AND POWER REQUIREMENTS
3-8