“The death of the poor boy Streiffer, who touched a straggling telegraph wire on East Broadway on April 15, and was instantly killed, is closely followed by the death of Mr. Witte in front of 200 Bowery and of William Murray at 616 Broadway on May 11, and any day may add new victims to the list.”

Harold Brown, in a letter to the New York Post, June 5, 1888

Have you ever received an electric shock? Chances are you have. Did you survive? Of course you did. But others have not been so lucky. Why is it that when some people get shocked they walk away from it and others don’t? The answer is related to Ohm’s law.

According to Ohm’s law, when you get shocked, the amount of current that flows through your body depends ...

Get Electricity for the Entertainment Electrician & Technician, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.