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B. Fittings used with flexible conduit shall be of the screw-in type as manufactured by the Thomas <br />and Betts Company, Crouse -Hinds Company, or approved equal. <br />2.03 FLEXIBLE COUPLINGS <br />A. Flexible couplings shall be as manufactured by the Crouse -Hinds Company, Appleton Electric <br />Company, or approved equal. <br />2.04 BOXES AND FITTINGS <br />A_ Combination expansion -deflection fittings shall be Type XD as manufactured by the Crouse - <br />Hinds Company or approved equal. <br />B. Terminal boxes, junction boxes, pull boxes, etc., shall be of the same material as the raceway <br />unless otherwise shown on the Drawings. Covers shall be gasketed and fastened with stainless <br />steel screws. Boxes shall be as manufactured by Hoffman Engineering Company or approved <br />equal. <br />C. Conduit hubs shall be as manufactured by <br />Appleton Electric Company, or approved equal. <br />PART 3 - EXECUTION <br />3.01 INSTALLATION <br />Meyers Electric Products, Inc., Raco Division, <br />A. No conduit smaller than %2 inch electrical trade size shall be used, nor shall any have more than <br />four (4) 90 degree bends in any one run. Pull boxes shall be provided as required or directed. <br />Minimum size in floor slabs shall be % inch. <br />B. An equipment grounding conductor sized per article 250-95 of the N.E.C. shall be installed in <br />every raceway whether or not shown on the Drawings. <br />B. All underground conduit shall be buried at least 24 inches below grade. <br />D. A three (3) inch wide warning tape, red with black stenciled letters "CAUTION - CAUTION - <br />CAUTION ELECTRICAL LINE BURIED BELOW" shall be installed at least 12 inches <br />above, and along the entire length of all underground conduit. <br />E. No wire shall be pulled until the conduit system is complete in all details, or in the case of <br />concealed work, until all rough plastering or masonry has been completed. <br />F. The ends of all conduits shall be tightly plugged to exclude dust and moisture while under <br />construction. <br />G. Conduit supports shall be spaced at intervals of eight (8) feet or less, as required to obtain rigid <br />construction. <br />H. Single conduits shall be supported by means of one -hole pipe clamps in combination with one - <br />screw back plates, to raise conduits from the surface. <br />044572017 <br />16110 - 2 <br />