11/24/2023 0 Comments American electrician handbookWhich are the outside wires and which is the neutral wire of a 115/230 volt three wire system can be determined in this way by noting the intensity of the shock that results by touching different pairs of wires with the fingers. Therefore, the method is not feasible in some cases. Some men can endure the electric shock that results without discomfort whereas others cannot. This method is safe where the voltage does not exceed 250 and is often very convenient for locating a blown-out fuse or for ascertaining whether or not a circuit is alive. McGraw Hill Book Company, Inc, New York and London 1942Įlectricians often test circuits for the presence of voltage touching the conductors with the fingers. The following is from The American Electricians Handbook (1942) A Reference Book for Practical Electrical Workers.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |