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Given the existing risk of foot problems for diabetics, this unit must not be used prior to consulting your doctor. 4 Adapter Tab for Grounding Screw Figure B Grounding Pin Grounding Instructions This product must be grounded. If it should malfunction or breakdown, grounding provides a path of least resistance for the electric current to reduce the risk of electric shock. This product is equipped with a cord having an equipment-grounding conductor and a grounding plug. The Figure A plug must be