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 Conduit System. Two- Wire. Wiring. The building shall be wired according to the system of —— and using the conduit manufactured by 115. Appli ances. 116. Placing of Conduits. 117. Sealing Openings. 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 within } 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. tion. All single conductors shall be insulated 121. InsulaAll duplex conductors shall with be insulated with. Duplex con ductors and all single conductors larger From the switchboard (or centre of dis- 123, Sub division of Risers Feeders 124. Location of Risers 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 shall be carried to and thence upward in (channels, elevator shaft, etc., with location) to their respective junction boxes. riser 125. Mains (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.) I riser From the feeder junction boxes dismain tributing circuits shall be run to the varioùs outlets as specified in the schedule and located on the plans. For all taps duplex conductor requiring but one tube may be employed provided the current required does not exceed The terminals of all the amperes. 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. |