Read your installation instructions carefully for the differences in 3 and 4 wire connections. New installations require 4 wires H-H-N-Grd like you will have with 10/3 G as househelper stated. A new dryer may likely come with the dryer configured for a 3 wire connection. Follow the instructions on how to remove the frame bond to the neutral terminal to convert to a 4 wire connection if necessary
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