On 15/07/2019 11:40, Adam Funk wrote:
I'm looking for a 1-gang dry-lining box with a circular knockout on
the bottom for a conduit fitting. Does such a thing exist? (Most of
them have circular knockouts on the back, I know, but that wouldn't
fit where I want to use this.)

Thanks.

For a deep enough one, easy enough to add with a hole saw. Presumably
you need metal conduit there because it's outside the permitted zone?