![]() 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. Electricians often test circuits for the presence of voltage touching the conductors with the fingers. McGraw Hill Book Company, Inc, New York and London 1942ġ58. The American Electricians Handbook (1942)Ī Reference Book for Practical Electrical Workers.
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