The use of automobile fuses is similar to the effect of home fuses. When the circuit current is abnormal and exceeds its rated current, the fuses act as circuit maintenance barriers.
Automotive fuses are roughly divided into two kinds: quick fuses and slow fuses.
There are high current fuses and medium and low current fuses commonly used in automobiles. Generally easy to access to the low current fuse. In low current insurance can be roughly
divided into chip type fuse (including automatic fuse box mini fuse), insert type fuse, screw tight type fuse, tube type fuse box flat type fuse. The medium size ATO or small size quick melt chip
fuse can be accessed. Chip fuse can carry small current, short time pulse current, such as headlamp circuit, rear glass defrosting, etc.
International specification for color of automobile chip fuse: 2A grey, 3A purple, 4A pink, 5A orange, 7.5A coffee, 10A red, 15A blue, 20A yellow, 25A clear colorless, 30A green, and 40A dark orange. Depending on the color, you can clearly distinguish the size of the different ampere number.
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