The conduit comes from under the bridge and is secured to the bridge with one minerallac clamp. The stubs are not in concrete at all.

Fixture is 9.3 inches tall by 3 inches wide by 3.9 inches deep.

Fixtures are 1 or 2 lbs.

The threads of the IMC go through a 1/2" hole in the bottom of the fixture with a locknut inside and outside of the fixture.

The fixtures will be supported when the trims are on.