Unscrew the cover plate and switch from the switch box.
Cathedral ceiling support box installation.
6 duratech square ceiling support boxes are used to support chimney pipe and provide a positive connection between the support box and the chimney pipe with a built in twist lock feature.
Turn off the electrical power to a nearby wall switch.
This ceiling support is suitable for both flat and cathedral ceiling applications and it can also be used in short attic spaces.
In this video this old house host kevin o connor and electrician scott caron head to denver to install a fan on a cathedral ceiling.