Mini Fuse Update

Traditional Farmer

Well-known Member
Location
Virginia
Discussion a while back about mini fuses bought 7 in a pack at Advance Auto for $5 then ordered 120 in a box off ebay for $4 post paid from China.Got them yesterday return address was Hong
Kong,they look identical to ones from Advance and tested a couple, they blew just like the Advance fuses when intentionally shorted.
 

Sounds right. You cut probably 4 or 5 middlemen between you and the wholesaler/maker. Advance has to make a profit to pay their employees, plus all the hidden costs the employee necessitates, the cost of the building, the power, heat/AC, water, sewer, land taxes, school taxes, city/village/town taxes, business taxes and regulations, Federal taxes, State taxes, Federal and State mandated costs, etc. etc, etc. And they have to make enough to pay the owners/share holders/administrative people too.

If nothing else, the world wide economy shows us just how much it costs to do business in the USA.
 
I remember reading something a few years ago about how the Chinese fuses wouldn't blow at the rated current. Made me nervous, but I bought some anyway (yes, I'm frugal)

But I had a 10A circuit in a truck blowing fuses, the 10A Harbor Freight fuses blew just like the "good ones" until I found the rubbed wire.

FWIW

Fred
 
(quoted from post at 13:54:14 11/20/18) I remember reading something a few years ago about how the Chinese fuses wouldn't blow at the rated current. Made me nervous, but I bought some anyway (yes, I'm frugal)

But I had a 10A circuit in a truck blowing fuses, the 10A Harbor Freight fuses blew just like the "good ones" until I found the rubbed wire.

FWIW

Fred
I'd be willing to wager that all fuses regardless of brand name come from a handful (or less) of machines.
 
Did they blow at their rated amperage, though? A 10 penny nail will burn in two if shorted directly. I am very leary of the China fuses after the bulletin from GM when I worked at a dealer that showed damage from China fuses that, while they did blow, blew at much higher than their rating. Bulletin also stated the 30 amp sometimes did not blow at all, melting everything. Basically, the bulletin was a warning to cheap parts managers that they would be liable for damage from fuses not supplied through the GM parts system. While I don't by them from GM at my shop, Buss or Littelfuse is what I use.
 
Used a very small wire to test them with which didn't heat at all and fuses blew immediately,even put one in my truck that was blowing fuse before and ground it like was happening and it blew.
 
Time to do some real testing. Hook up an ammeter, a power source, and a fuse in a circuit and measure what it takes to blow the fuse. Not complicated and it would answer the question.
 
One place that fuses just grow on the trees. Go to your local U-pull it yard. There are fuse pannels just full of them
 
What would you think GM would say about their overpriced fuses.
Ours have to be better because we say they are better.
 
I am not following this logic, any fuse will blow if shorted, you need to put a known load on to test.
 
My dad one time found out how many amps a 1/2- 7/16 open end wrench can handle. Those suckers actually can GLOW!
 
Well it blows just the same in the truck like the others so it seems to me it should be fine.Really any fuse from anywhere COULD be defective.Do you load test every fuse you buy?
Can't really see how that'd work since you'd be blowing them all.
 
I may not be following your reasoning. Are you just feeding the truck fuses and hoping the short fixes itself?
 
No the short really a bare wire was on a trailer light but the fuse box for the trailer lights is on the truck.I fixed the wire on the trailer but after getting the new fuses I put one in
the truck where the old one had blown and then intentionally shorted the trailer wire just like it was before.It blew just like the older fuses had.
 
I make a pair of jumpers and replace maxi fuses with a circuit breaker if it pops regularly. If not, with an atc fuse. Plenty of space in the 08 dodge. Not so much in the 11-up f250.
 

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