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( riser )

group No. 2 shall feed, etc. feeder)

89. Location


From the switchboard (or centre of distribution) the risers shall be carried

"e feeders under cleats, I on insulators, įto - and thence 7 in moulding,

in conduit, etc., upward in (channels, wooden conduits, elevator shaft, air shaft, etc., with location) to their respective cut-out boxes.

90. Mains (If

taps termi. nate in secondary distribu

tion boxes).

From they feeder

{cut-out boxes mains

under cleats,
shall be carried

U on insulators,

} to in molding,

| in conduit, etc., J. secondary cut-out boxes where all tap lines shall centre. From feeder * No. shall be carried — mains terminating at —; from feeler No. 2, etc.

| riser

No. 1

91. Taps.

(Note.-In certain cases it is advisable 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.)

(riser From the feeder (cut-out boxes dis

( main tributing circuits shall be run to the various outlets as specified in the schedule and located on the plans. The

| under cleats,

1 on insulators, wires shall be run

ļ in in molding,

(in conduit, etc., ) such a manner that the highest possible insulation shall be maintained under all circumstances.

Except in case of single outlets for a group of lamps and circuits specifically mentioned no distributing circuit shall carry over — amperes. Distributing circuits shall be of one size of wire throughout their entire length.

Throughout the installation joints shall 92. Joints. be avoided where possible; where abso

lutely necessary they must be made mechanically strong and secure, carefully soldered, wiped free from any moisture and excess of flux and so taped and compounded that the insulation of the joints shall be equal to the original insulation; the solder shall be relied on 'only to give a good electrical connection.

93. Cut-Out and Switch Cabinets.

(Note.—A complete description of the cabinets should be given covering material, doors, hinges, locks, finish, etc.; also stating what parts, if any, will be furnished by other contractors, specifying what switches are to be placed in the cabinets, and locating and describing cabinets for switches alone if such are to be provided; if name plates are to be furnished so specify and describe.) The terminals of all {

feeders, and taps shall be brought together in cabinets at the points designated in this specification and on the plans. (If wiring contractor does not furnish cut-outs and

Srisers, ļ mains

switches, add: The terminals of the 7 feeders, s'

s mains and taps shall be brought into these cabinets in such a way as to permit the easy and convenient insertion and connection of the cut-outs and switches specified.)

A cut-out shall be provided for each 94. Cut-Outs. branch circuit. All cut-outs shall be double-pole, mounted on incombustible bases, and with connections of such size and shape as to afford ample contact surface for both conductors and fuses.

3. Fuses

No fuses shall be put in the cut-outs 95. Fusen except by special order, but a complete supply, consisting of not less than — sets for each cut-out, shall be provided. These fuses shall be of the plug type or furnished with metal tips and shall have their capacity plainly marked upon them.

of 96 Switches.

For the number and capacity switches see the attached schedule.

All switches shall be double-pole, mounted on incombustible bases, with automatic make and break, the switch being merely set at the point of making and breaking by the operator, and with sliding contacts. The capacity of each switch shall be plainly marked upon it and shall not be less than — per – c. p. lamp controlled.


97. Fixture


Where no fixture support is provided this contractor shall furnish for all | side foutlets a suitable support conY ceiling so sisting of a wooden block firmly fastened to the wall flush with the plaster, and of sufficient dimensions to securely bold the fixture, a piece of gas-pipe securely anchored by means of an iron plate; or such other device as shall be best adapted to the construction of the building and the character of the fixture to be installed in each particular location.

(Specify approximate number required.)

98. Meter Out. At the places located in the schedule


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