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7.0 EQUIPMENT EVALUATION <br /> 7.1 Dust Control Panel <br /> 7.1.1 System Description <br /> The equipment inspected consists of Dust Control Panel <br /> manufactured by Dust Control. The equipment is rated at 460VAC, <br /> 3 Phase, 60HZ, 90 Amps, 50HP, 25KA and is used in the <br /> automated drilling cell for debris connection. The equipment was <br /> previously labeled but since relocated 90 deg from original position. <br /> The equipment is installed indoors in an ordinary (non-hazardous) <br /> location, and has been evaluated for use in this location only. <br /> 7.1.2 Grounding <br /> Exposed non-current carrying parts of the equipment were verified <br /> to be effectively grounded in accordance with the applicable <br /> provisions of NEC°, Article 250. <br /> 7.1.3 Guarding of Live Parts <br /> All internal components are enclosed in a grounded, screw closed, <br /> metal enclosure, and are effectively guarded per NEC°, Section <br /> 110.27. <br /> 7.1.4 Overcurrent Protection <br /> Overcurrent protection was provided by a 125 Amp NRTL breaker <br /> in main distribution board. Additional overcurrent protection was <br /> provided by devices as shown on the electrical diagrams. <br /> 7.1.5 Wiring <br /> All wiring was found to be UL listed or recognized type MTW/THHN <br /> or equivalent. <br /> 7.1.6 Equipment Discrepancies <br /> No discrepancies were observed during the evaluation of the <br /> equipment listed in Section 5.0. <br /> Reference No.: 1108546 Page 6 <br />