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Originally Posted by Willow
i have no idea what that means.
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Most of the units I have seen that do not have a fuse are home made units for cooling water in hydroponics. the problem that arises if you don't have a fuse is say you have a max draw of 5 amps for your unit. now you get a partial short in the wiring and it starts drawing 13 amps. not enuf to trip your breaker but enuf to start the wiring that is rated for 5 amps to catch fire and possibly burn down your house.
with out the safety feature of a fuse or a thermal breaker you can not get it approved for electrical use in Canada or the US.
Steve
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