These rusty looking "pipes" may be the last remnants of the oldest and original electrical wiring used for underground electrical power distribution in the U.S. Edison, THE DANGERS OF ELECTRIC LIGHTING The North American Review, 149(396), pp.625-634.1889 With the increase of electric lighting (which today is used only to a very limited extent as compared with its inevitable future use) and the multiplication of wires, these dangers which exist now in a thousand different parts of the city will be manifolded many times." - source: Thomas A. "So much has been said and written upon the subject of high-tension electric currents and their probable or possible danger to human life, and so many different opinions have been advanced by men whose positions serve to surround their utterances with an atmosphere of knowledge of the matter under discussion, that the mind of an unscientific public has been unable to come to any definite conclusion upon the basis of "expert" testimony. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. This article series answers basic questions about assessing and repairing the electrical service, capacity, wiring type, condition, and safety in older homes. In this article series, we list common old building electrical wiring system safety concerns and we illustrate types of old electrical wires and devices. These photos help identify types, condition, & hazards of old electrical wiring in buildings. We provide a table giving the timeline of years of use of different types of electrical wires or wire insulation and sheathing or jackets followed by a photo guide to all types of old building electrical wires. History of electrical wire & electrical wiring: how to recognize knob and tube electrical wiring and unsafe "extension cord" wiring. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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