You have just checked a 1/500-ampere fuse with an ohmmeter and find it is open. Checking the replacement fuse shows the replacement fuse is open also. Why would the replacement fuse indicate open?

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You have just checked a 1/500-ampere fuse with an ohmmeter and find it is open. Checking the replacement fuse shows the replacement fuse is open also. Why would the replacement fuse indicate open?

asked Aug 18, 2021 by anonymous

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anonymous · Answer 1 · 2021-08-18T18:25:21+0000

The ohmmeter causes more than 1/500 ampere through the fuse when you check the fuse, thus it opens the fuse.

You have just checked a 1/500-ampere fuse with an ohmmeter and find it is open. Checking the replacement fuse shows the replacement fuse is open also. Why would the replacement fuse indicate open?

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