Product Manual — Doc. 7750C TST-902 • 55
6. Route any wiring for the TST-902-DSWthrough the appropriate knockout(s) on the back
box.
7. Once drywall is installed over the back box, use a standard drywall saw to cut the drywall
along the inside edge of the front of the back box. The labels on the front of the back box
indicate the perimeter of the drywall cutout. Refer to TST-902-DSW-BB Specifications on
page 28 for cutout dimensions.