My 4 level rack is set up with a different heat tape square and its own plug per level. So I have four plugs, and plug them all into an extension cord, and plug the extension cord into the herpstat.
The problem I'm still having is the heat tapes are all different temps, and particularly the level the probe is sitting under, often randomly jumps up to 94 degrees, while the other levels are 88~91. But sometimes it'll just be 91~92 degrees. What's the problem here? Does this just happen when the heat tapes are on different plugs in an extension cord? I tried switching around the plugs, but it's the same.
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