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li <br />07/03 16050 -7 03- 4138.A <br />I <br />3. <br />Branch circuits shall be arranged using double row construction except <br />' <br />when narrow column panels are indicated. Branch circuits shall be <br />numbered by the manufacturer. <br />4. <br />A nameplate shall be provided listing panel type, number of circuit <br />breakers and ratings. <br />' <br />5. <br />Bus bars for the mains shall be of copper. Full size neutral bars shall be <br />included. Bus bar taps for panels with single pole branches shall be <br />' <br />arranged for sequence phasing of the branch circuit devices. Bussing <br />shall be braced throughout to conform to industry standard practice <br />governing short circuit stresses in panel boards. Phase bussing shall be <br />full height without reduction. Cross connectors shall be copper. <br />6. <br />Neutral bussing shall have a suitable lug for each outgoing feeder <br />requiring a neutral connection. <br />7. <br />Spaces for future circuit breakers shall be bussed for the maximum <br />device that can be fitted into them. <br />8. <br />All conduit entrances shall be field punched. <br />9. <br />Hinged doors covering all circuit breaker handles shall be included in all <br />ipanel <br />trims. <br />10. <br />Doors shall have semi -flush type cylinder lock and catch, except that <br />' <br />doors over 48- inches in height shall have a vault handle and 3 -point <br />catch, complete with lock. All locks shall be keyed alike; directory <br />' <br />frame and card having a transparent cover shall be furnished on each <br />door. <br />11. <br />The trims shall be fabricated from code gauge sheet steel. <br />12. <br />All exterior and interior surfaces of the panelboard shall be stainless <br />' <br />steel. <br />13. <br />All panelboards shall be NEMA 4X stainless steel. <br />D. Manufacturer <br />1. <br />120/240V, single phase, 3 -wire panelboard shall be manufactured by <br />Square D, or approved equal. <br />li <br />07/03 16050 -7 03- 4138.A <br />I <br />