Regular Glass Fuse
A fuse is a short length of wire with a specific diameter and composition that conducts current up to a given level but melts or fuses if the current exceeds that level. When it blows, it creates an open circuit, halting current flow and averting damage.
The fuse wire is typically housed inside a tiny glass or ceramic tube with metal end covers. The glass tube acts as a physical protection for the fuse, ensuring that the molten metal does not cause any harm or injury when it blows. When the fuse has blown, you can spot it by looking for a gap in the wire or a metallic stain on the interior of the glass tube.
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