I've got some rentals and about half the ranges are 3 prong and the others are 4 prong. Are there any issues I should be concerned with on the 3 prong? Should I be looking at getting them changed over to 4 prong? Thanks for all the good advice. HS.
As long as you are not renovating the kitchen then using the exsiting 3 wire is ok. The ony advantage would be if you swaped the ranges from house to house, then you might want to change them all to 4 wire so yoou would not have to change the plugs.
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