How to Install Bussmann Fuses


Bussmann fuses are a type of electrical fuse manufactured by Cooper Bussman Corp. in Missouri. The tube-type fuses have metal caps on each end that close an electrical circuit for commercial and residential wiring, though the fuses are used mainly in older homes not equipped with circuit breaker boxes. Bussmann fuses also are used in electrical and electronic devices, including wiring systems for trucks and automobiles, as well as home stereo components. Installing a Bussmann fuse takes less time than it may require to open the fuse panel.

Things You'll Need

  • Bussamnn fuses
  • Fuse puller
  • Screwdrivers
  • Disconnect appliances from the power supply before replacing a fuse. This can help prevent a power surge or short circuit.

  • Open the fuse box for the equipment that requires a new Bussmann fuse. On cars and trucks, the fuse box usually is located below the dashboard on the driver's side. For appliances and electronic components, consult the owner's manual to locate the fuse box, or remove the cabinet or housing on the equipment to locate the fuses. Bussmann fuses come in a variety of sizes, with different amperage ratings, but all resemble a cylinder with a metal cap on each end. The fuses can range in size from slightly smaller than a pencil diameter to the length and size of a hot dog.

  • Use an insulated fuse puller to remove the blown fuse by grasping the fuse cylinder in the center and pulling straight out. Do not twist or turn the fuse. Do not touch the ends of the fuse while it is installed in the two metal brackets.

  • Place a replacement Bussmann fuse in the fuse puller by opening the puller handles and inserting a fuse in the half-circle compartment, then closing the handles together like pliers.

  • Push the fuse straight down into the metal brackets that hold the fuse caps securely on both sides.

  • Close the fuse box and check the circuit by turning on the appliance.

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