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There are several options:

First, you can install conduit into the block as the house is being built and cut out for the outlet boxes.

Second, you can use furring strips to create a space between the block and the drywall of the inside surface.

Third (if you aren't so concerned about appearance) you can surface mount conduit and outlet boxes on the block.

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Answer for USA, Canada and countries running a 60 Hz supply service.

In addition to the suggestions made above I add the following considerations:

Running conduit in the block is the way commercial and industrial installations are often made. This takes some cooperation with the block layers because they generally will not run the conduit for you and you have to be cooperative with him/her on how much conduit to add at any one time as the wall is built.

If a wall is already built and if it is not slugged (filled with mortar) you can add wiring by running the wire overhead (above ceiling) and into the wall through holes made in the block above the location of devices.

The code allows required outlets to be placed in the floor within 18 inches of the wall. You may place outlets anywhere you need them, but only the ones within this distance will count for satisfying the code for required outlets. This is not preferable, putting outlets in the floor, but it is allowed by the NEC.

There are various products on the market designed specifically for surface mounting in finished installations, such as homes or offices. The most common brand name is Wiremold, and though this is a brand name, the term wiremold is often used as meaning any of these products.

Any surface mounted installation, whether conduit or wiremold, can be painted to help it blend into the decor of the room.

Of all the options discussed here I like the furring option the best. It seems to be the least troublesome and simplest option given.

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13y ago
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