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Old 03-03-2013, 12:00 PM   #1
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Removing S-fuse safety adapters


I was wondering if there is a tool and/or method for removing the little S-fuse adapters that go inside fuse holders in fuse boxes? I carefully removed one once but almost broke the fuseholder in the process.

And also, why would anyone make S-fuse adapters that accept BOTH 20 amp and 30 amp fuses? Sort of defeats the purpose if you ask me...

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Old 03-03-2013, 12:44 PM   #2
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Removing S-fuse safety adapters


They have a little spring wire which springs outward and allows screwing it in, but not out. And the idea is that a homeowner could not remove the adapter and would have to use the correct fuse only. (Threads are different for different fuses.)

I don't know if you could drill maybe 4 or 6 holes into the adapter around the circle (being careful to not drill into the fuse socket under that), then use needle nose pliers or a flat screwdriver to bend the sides inward? And of course with the power off.

Here is a picture of one and the "spring thingy"...


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Old 03-03-2013, 12:58 PM   #3
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Removing S-fuse safety adapters


What I basically ended up doing was cutting on it and collapsing the sides inward...eventually it unscrewed out.
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Old 03-03-2013, 01:13 PM   #4
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Removing S-fuse safety adapters


Why are you taking it out? It was probably put in for a very good reason, not to allow an oversized fuse to be installed in that position...
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Old 03-03-2013, 01:18 PM   #5
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Removing S-fuse safety adapters


I took it out because the adapter allowed either a 20 and 30 amp fuse to be put in, and only had 12 AWG wire. (Kind of defeats the purpose,really). Certain relatives would just put in whatever fuse was handy at the time.

The fuse box was eventually replaced, so it really doesn't matter. I was just wondering if there is a method to removing them.
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Old 03-03-2013, 01:20 PM   #6
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Removing S-fuse safety adapters


Huh, I thought they were intended to prevent no larger than 20 amp fuses in those adapters, surprising that a 30 amp fuse fits in it.
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Old 03-03-2013, 01:43 PM   #7
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Removing S-fuse safety adapters


Quote:
Originally Posted by theatretch85 View Post
Huh, I thought they were intended to prevent no larger than 20 amp fuses in those adapters, surprising that a 30 amp fuse fits in it.
It even said it on the bottom. "20 or 30"

There were some 15s in the panel that would only accept 15 amp fuses.

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