[X001M8A] Instructions, 1888-1889


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[X001M8A] Instructions, 1888-1889

Editor's Notes

[12 typed pgs] "These written instructions are loaned from the information of wiremen, are the propertyof this company and must be returned on demand. They are strictly confidential. Charles Wirt. ##Rules for Wiring of lamps and Motors for the use of Wiremen for The Edison Electric Light Company of Philadelphia ## Compiled by Wm. D. Marks, Supervising Engineer and General Manager Station #908 Sansom St. Supply Depot #909 Ransom St. ##Contents: 1-Special Notice, 2-The Philade. Station, 3-By whom the wiring should be done, 4-Inspection, 5-Reports, 6-Appliances, 7-Joints + Soldering, 8- Cut outs + Safety plugs, 9-Insulation, 10-Grounds, 11-Leaks + Crosses, 12-Apertures in walls + Floors, 13-Back Boards, 14-Glass or porcelain Insulators, 15-Cleated work, 16 Concealed + Moulded work, 17- Switches, 18-Fixtures wiring, 19-Flexible Pendents, 20-Testing, 21-Rules + Suggestions for wiring, 22- The two wire system + Example, 23-The Three wire system + Example, 24-Wiring for motors, example, 25-Table of sizes of wire 2 wire system, 26-"Table of sizes of wire 2 wire system, 27-Brief Comparative Table of Gauges, 28-Example of wiring for house (1) Special Notice: The tables given in this manuscript do not apply to other systems of wiring, than the Edison or the other Edison stations save this. (2) The Philadelphia Station: The system of mains is 3 wire underground. The difference of potential required by the lamps is 111 volts. The standard lamp is 16 candle power requiring 447/1000 of an ampere per hour. Lamps of a greater or less candle power can for practical purposes be assumed to require a proportional current." [continues with specs, rules, and suggestions for installing & operating Phila 3-wire system]



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Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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