Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 23 - Think and Explain: 88


See below.

Work Step by Step

Voltage drives a current, which shocks you. So the "source" of the shock is the high applied voltage. The current doesn't flow unless a person is there and offers a conducting path from the high-voltage object to the earth, so the sign just warns you about the voltage.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.