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Should AC_TEST be fused?

The AC_LINE inputs have fuses on them, but the AC_TEST does not.  Is this any concern?

When relay is engaged, the AC_TEST lines could have 50+A current available.  The MID400 is rated for 2500V but it could fail or those 1W resisters could smoke.

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The 1W flameproof resistors act as a fuse in an over-current event. They are designed to open without catching fire.

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