how do i cut an outlet opening in a 18x18 ceramic floor tile?

Answer 1

This is what I would do (assuming you have a wet tile saw)

1. Get your measurements .
2. Transfer those over and mark the outlet out on the back side of the tile.
3. By cutting the back side you wont go past your measurements on the front. Eventually you can just pop the piece out and chip away at the corners with some tile nippers sold at your local hardware store.

Be patient, make sure to mark out the outlet on both front and back. I'd use a sharpie or a tile pencil which can be found at your hardware store. Keep checking the front side of theh tile to make sure that you're not going outside of the lines as you cut.

But a carbide bit in a roto zip would be very effective.

Answer 2

A side grinder with the proper blade will be the best solution for you. If you are cutting close to the edge you can drill holes in the 4 corners then use a coping saw designed for tile to get the job done. Lowes/Home Depot have both on hand.

Answer 3

If you have a "Roto-zip" type saw, you can use a carbide bit to cut a smooth opening for the outlet.

Answer 4

With one of these:

http://www.rotozip.com/

Answer 5

rotozip or dremmel