Running New Electrical in Slab Foundation

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  #1  
Old 07-03-07, 12:10 PM
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Lightbulb Running New Electrical in Slab Foundation

We are planning a kitchen remodel, and our proposed layout includes an island. Our problem is that we would like to have electrical run to the island, but we are on a slab foundation and we're not sure if it's possible. I've heard that you can cut a shallow channel in the slab to run conduit, but we're afraid this will weaken our slab and cause cracks in the future. Besides running electrical down from the ceiling, does anyone have any suggestions or resources for an issue like this? Thank you!
 
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Old 07-03-07, 01:03 PM
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> we would like to have electrical run to the island

If your island is wider than 12", electrical code requires that you have receptacle(s).

> I've heard that you can cut a shallow channel in the slab to run conduit

This is the only way other than dropping conduit from the ceiling. Use a cement saw to cut a channel through the slab. Install conduit and re-pour concrete on top. If the slab is thin (4"), just cut all the way through. If it's a thicker slab, cut a "V" channel about 4" deep; this will provide you enough room for a 1/2" conduit with about 2" concrete cover. A conduit channel should not significantly weaken the slab.

What types of appliances and how much counterspace will be on the island? This will help us determine what size conduit to install.
 
  #3  
Old 07-03-07, 02:27 PM
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Thanks for the info! The island countertop will be approx 4'x8', and we will be using the electrical to run small kitchen appliances (stand mixer, toaster, etc).
 
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