appearance and arrangement. All exterior wires shall be run In the interior of (the) building(s) the 113. Suspenlamps specified shall be suspended from securely fastened to the ceiling (and provided with a suitable device for raising and lowering). On the exterior of (the) building(s) the lamps specified shall be suspended from , securely attached to (and provided with a suitable device for raising and lowering). (Add details concerning any posts, pole-steps, ornamental treatment desired, etc.) sion of Lamps. 114. Method of Wiring. 115. Appli ances. 116. Placing of Conduits. 117. Sealing Openings. Conduit System. Two-Wire. The building shall be wired according to the system of and using the conduit manufactured by All appliances employed shall be such as are especially adapted for use in conjunction with the conduit system. All conduits shall be placed in position. before } the plastering is done, and shall be firmly secured { and ceilings. { to within ५ walls After the tubes are installed all openings in walls and floors shall be sealed so that it shall be impossible, in the event of fire, for smoke or flame to pass from one floor to another or from one room to another about the tubes. All single conductors shall be insulated 121. Insula with tion. From the switchboard (or centre of dis- 123., Sub tribution) risers groups of risers shall be carried to the following points: division of Risers Feeders). (riser, groups of risers, and main shall be feeder, provided with an independent tube. (Riser Group No. 1 shall feed all lights (lo- Feeders} risers riser group No. 2 shall feed, etc. shall be carried to and thence upward in (channels, elevator shaft, etc., with location) to their respective junction boxes. riser 125. Maine (If From the{ } junction boxes, taps termin ate in sec feeder ondary junc-mains shall be carried to secondary junc tion boxes). (Note. In certain cases it is advisable 126. Taps. to run the circuits in such a manner that no room shall be dependent on one circuit only; if so desired, it should be added under this heading.) From the riser feeder junction boxes dis- tributing circuits shall be run to the vari- { amperes. risers The terminals of all the feeders mains and taps shall be brought together in junction boxes at the points designated in this specification and on the plans [and connected with their respective cut-outs and switches; (unless the wiring contractor does not furnish cut-outs and switches, in which case add, in such a way as to permit the easy and convenient insertion of the cut-outs and switches specified.)]. 127. Junction Boxes. |