I needed a disconnectable solution for large gauge wire in a tight spot because based on install design my capacitor must be removed before my custom sub enclosure could be removed. This fit the bill perfectly. The drawback might be the large horn-shaped openings which may allow accidental contact & shorting, but this space is mostly filled by outer wire shielding etc anyways and shielding can be beefed up as needed to fill. If you have space, a larger fuse holder that is more closely sealed to the size of wire your using might be better. But this can't be beat for its small footprint. I was so happy to find this unusual item that I bought two.
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