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Hi, I'm Mike G and I'll be assisting you. Having a 4 wire cord the green attaches to the green screw. If there is a metal bonding clip from the green screw to the terminal block, remove it.
If the plate doesn't connect to the center termination on the block leave it and attach the ground wire. On a 3 wire application the bond is required but not on a 4 wire.
You're welcome and the same to you.