[D8930ABK], Letter from James F Kelly to West Orange Laboratory, October 14th, 1889
https://edisondigital.rutgers.edu/document/D8930ABK
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[D8930ABK], Letter from James F Kelly to West Orange Laboratory, October 14th, 1889
Editor's Notes
Gentlemen: On Saturday last I received a telephone message from you in reference to the size of wire that is generally used for Arc light work in this city, and also as to the number of lamps that are usually place on one circuit. I have tried several times today to give this information, but have been unable to communicate with the person who asked for it. In reply to your inquiry I will say that the usual sixe of wires for arc light work are Nos. 5 &6 B. & S. As to the number of lights that are usually placed on the circuit, I would say that it would be an odd thing to find less than 50 lights on any circuit, and it may be odd thing to find less than 50 lights on any circuit, and it may be said that usually the maximum would be 50 lamps. But in this city the ordinary conditions are somewhat changed on account of the management of the Board of Electrical Control, as this board has insisted that new lines shall be erected without their consent, and as it is somewhat difficult to get that permission, it has been the practice for some time of the Electric Light Co. to crowd as many lights as possible on every circuit. I was informed today by one who ought to know considerable on this subject, that in some cases two 3000 volt dynamos have been coupled in tandem, so as to give double the electro-motive force. I have no doubt, however, but that cases of this kind are somewhat exceptional. In a general way I should say that the usual number of lights on a circuit is about sixty.
Author
Recipient
Mentioned
Date
1889-10-14
Type
Folder/Volume ID
D8930-F
Microfilm ID
125:1031
Document ID
D8930ABK
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University