Four of these devices are mounted on the vaulted ceiling of our living room. There used to be only one ceiling fan with light but that wasn't enough. Installation was easy if you have existing wiring or don't mind crawling into the attic. When installing on a vaulted ceiling, a fish tape comes in very handy. The only reason I gave these lights 4 starts instead of 5 is because the electrical boxes do not have a wire connection to the perforated sockets. When you puncture a wire box, the edges of the box become razor sharp and cut the wires. Buy some cable connectors and you're done. I liked the push-in terminals which made installation quick and easy.
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