Laserfiche WebLink
Electrode receptacles approved-for the purpose shall be used. They <br />shall be of incombustible non- absorbent insulating material. A <br />flexible non - conducting seal may be used, to close the mouth of the <br />receptacle against entrance of dust and moisture. The seal shall not <br />be in contact with grounded conducting material. Where physical con- <br />ditions are such as to make the installation of receptacles impossible, <br />bushings may be used, provided the uninsulated conductor electrode <br />terminals or pigtails and other insulating parts are so supported as <br />to insure a permanent spacing to grounded metal or parts of opposite <br />polarity of not less than one and one -half (1J) inches. <br />(c) WHERE TUBING PASSES THROUGH WALL. The electrode terminal a shall <br />be enclosed in a sheet metal enclosure not less than No. 20 U.S. sheet <br />metal gauge (.0375 inch) or equivalent or where not feasible for the <br />electrode.terminal to pass through the wall that an auxillary glass <br />sleeve be provided to contain an extension jumper which shall termin- <br />ate in the aforementioned sheet metal enclosure. <br />SECTION 14, <br />HANGING: <br />(A) FLAT SIGNS. Fiat signs shall be anchored below roof line except that <br />additional support other than chain may be provided over parapet to roof. <br />(B) PROJECTING SIGNS. Projecting signs exceeding 100 square feet in area of <br />one face shall be rigidly hung on beams. <br />Separate projecting signs so hung as to appear as one sign shall be <br />rigidly hung on beams if the total area of all faces on one side of sign <br />exceeds 100 square feet. <br />(C) CHAIN, SIDE GUTS AND RIGID BRACE SUPPORTS. <br />i. All projectilg.signe shall have standard chain or cable supports and <br />fastenings to the building as shown in the following tables: <br />16- <br />