Kohler K-13667 Instructions D'installation page 3

Power
Supply
Install the Power Supply
Plug the wire lead from the faucet or urinal into either the power
supply or the K-13671 5-ft. extension cord (if required). If the
extension cord is used, plug the remaining end into the power
supply. The lead will only fit into the power supply connector
one way.
Plug the power supply into a code-compliant grounded outlet.
This power supply is intended to power one product only.
Ensure that there is enough free cord to form a drip loop in the
cord that extends below the level of the outlet.
Kohler Co.
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120 VAC 15A
Grounded Duplex
Outlet
Drip
Loop
3 110733-2-AC