Running Electrical Wiring Through an Insulated Slab
We are building a new home and running our electrical underground. We originally planned to bring it into the house through the box frame or foundation wall, but now the contractor suggests to bring it through the basement slab. We are installing rigid mineral wool and poly under the slab. I feel like bringing it through the box frame would be the best way of doing it. Am I overthinking it? Are there any advantages/disadvantages for each method? What is the standard practice? We are in NY, zone 4.
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