This Chipper Shredder should be 7. grounded while in use to reduce the risk of electric shock to the operator. The unit is equipped with a 3-conductor cord and 3-prong grounding plug to fit the proper grounding receptacle. The green or green and yellow conductor in the cord is the grounding wire. Do not connect the green or green and yellow wire to a live terminal. Your unit has a plug as illustrated above. The outlet used should look like the outlet illustrated above. Do not remove the groundin