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i <br />1 <br />1 <br />governing short circuit stresses in panel boards. Phase bussing shall be <br />full height without reduction. Cross connectors shall be copper. <br />6. Neutral bussing shall have a suitable lug for each outgoing feeder <br />requiring a neutral connection. <br />7. Spaces for future circuit breakers shall be bussed for the maximum <br />device that can be fitted into them. <br />8. All conduit entrances shall be field punched. <br />9. Hinged doors covering all circuit breaker handles shall be included in all <br />panel trims. <br />10. Doors shall have semi -flush type cylinder lock and catch, except that <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 />frame and card having a transparent cover shall be furnished on each <br />door. <br />11. The trims shall be fabricated from code gauge sheet steel. <br />12. All exterior and interior surfaces of the panelboard shall be stainless <br />steel. <br />13. All panelboards shall be NEMA 4X stainless steel. <br />D. Manufacturer <br />1. 120/240V, single phase, 3 -wire panelboard shall be manufactured by <br />Square D, or approved equal. <br />E. Installation <br />1. Unless otherwise noted on the Drawings, top of cabinets shall not <br />exceed 60 inches above grade, properly aligned and adequately <br />supported independently of the connecting raceways. <br />2. All wiring in panelboards shall be neatly formed, grouped, laced, and <br />identified to provide a neat and orderly appearance. A typewritten <br />directory card identifying all circuits shall be placed in the card holder <br />inside the front cover. <br />2.05 UNDERGROUND SYSTEM <br />09/03 <br />A. Materials <br />16050 -7 <br />03- 4138.A -R <br />