The history of residential wiring

residential wiringDid you know that the history of residential wiring dates back to 1879 when Thomas Edison lit up a few homes in New York. 1892 he was awarded a patent for the electrical conductor. Armored cable was first used in 1899 and BX has been around since 1903 but not widely used until the 1930’s. NM cable first came onto the market in 1926. 1962 was the beginning of having  equipment grounding for all branch circuits popularized the use of NM cable with ground. This us just a small snippet of what is contained in the article. Click here for the entire article:  History_of_Residential_Wiring_practices_in_the_USA

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