Sample of Edison 3-wire underground power cable
date: label: date made
content: 1887
name: label: associated person
content: Edison, Thomas Alva
label: maker
content: Edison Electric Light Company
notes: label: Description (Brief)
content: A cable sample with three copper conductors (two 1" diameter, one .5" diameter), and three insulated stranded copper lines (about .25" od) in a steel jacket with potting material. Felt on bottom, no extant maker's markings. Donor reports: "1883 Edison 3-wire DC feeder. Sample cut from NY Edison Company's 1887 installation in Manhattan. Consists of two 1000 MCM solid copper conductors and one 350 MCM solid copper neutral, with three #9 AWG pressure wires in an iron pipe for direct burial. First used 8 October 1883 at Brockton, Mass.; July 1887 in 2nd District Manhattan, NY Edison Company; 1889 Brooklyn Edison Co."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from David Williams
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.334245
label: catalog number
content: 334245
label: accession number
content: 313046
objectType: label: Object Name
content: Cable Sample
label: Other Terms
content: Cable Sample; Conduction
physicalDescription: label: Measurements
content: overall: 10 in x 3 1/2 in; 25.4 cm x 8.89 cm