Shallow boxes for furring strip wall
I’m adding outlets to my kitchen and have run into an issue. One wall is furring strips nailed to block. Between the furring strip and the drywall I’ll have 1.5 inches between the block and the front of the drywall. I picked up some 8 cu inches shallow boxes which end up sticking out about a quarter of and inch which will work after the backsplash (will probably need some box extenders). After doing research however, I’ve learned that these boxes may be too small for my needs. I have one 12-2 wire going in and out of each box. Outlets will be gfci. I wanted to see if there was anything else I could do short of chiseling out some of the block to accommodate a larger box. Any input is appreciated, thanks!