Posted by jdemaris on December 09, 2010 at 06:57:01 from (67.142.130.43):
In Reply to: Re: Hogwash posted by 36 coupe on December 09, 2010 at 06:08:35:
First of all, your general statement "Battery chargers do not have a line fuse " is rediculous. Neither you nor I have a thorough knowledge of every model battery charger in exisitence. So, please stop with your generalities. Now, if you claim you indeed DO, okay - please post your schematic for the HF 1.5 amp three-stage maintainer for all to see.
Second - I've pulled apart a few small maintainers that do indeed have a small fusible link inside that seems to fry if you even look at it wrong. That is exactly what went wrong with the last Vector 2 amp battery maintainer I had (that failed).
Also a similar problem with the last Vector 5000 watt inverter I had. It had one-time-blow, line fuses right at the AC input before the transformer.
Also just has such a problem with a TV signal amp/power supply with 120 VAC at the input. The 1/2 amp fusible link fried after a distant lightning strike. I just repaired it. If you like, I'll post photos and a schematic.
Now, to be specific with the 1.5 amp units HF is selling? With 16 gauge wire on the AC input, an internal breaker, and 18 gauge wire on the output - there is no way a voltage spike is going to make that wire 16 gauge "burst into flames" and make an arc big enough to cause a fire - considering it's mounted on metal - and not flammable material.
Also - if somebody wires their house with slow-blow fuses designed in the 1920s, instead of more modern GFCI, or AFCI breakers - who is at fault when lightning strikes a grid-line or house and something catches fire? A $20 battery maintainer? Come on ! How many lead-cords are laid across carpets and wood floors in houses?
Arguments like yours amaze me.
One more time. Post specifics about even one real event - with what caused the spike, what household components failed from the service entrance and on, and what specific model battery maintainer was alledged to be the cause.
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