Then Larry introduced me to an oil product called IXL. If you click on an ad or link we may receive a fee or a commission if you purchase an item.I have used HEI to check or rebuild all my generator's, alternator's and starters for 50 years! Trucks, cars, tractors, RV's or my snake river boat HEI checks them all! Until recently that was all I used them for. Remove the inside nut in the fuse panel from the pipe.įigure 3 - Metal pipe connecting fuse panel to the main electrical service disconnect. There may also be a nut on the outside of the fuse panel, so that the fuse panel ends up being sandwiched between the nuts and the pipe goes through a knockout in the fuse panel. The pipe is most likely connected to the fuse panel using a large hexagon shaped nut, which screws over the thread on the inside of the fuse panel. It is most common that the wires running from the main disconnect electrical box to the fuse panel were run in a metal pipe, with threads on the ends, as shown in Figure 3.The box connectors that you removed from the fuse panel can be reused on the new breaker panel. Figure 3 - Electrical panel box connector Remove all the wires from terminals and pull the wires out through the box connectors (see Figure 2b). Use a piece of masking tape wrapped around the cable. It is best to identify each of the cables and where it goes before you remove them. The cables entering the fuse distribution box, should be coming in through box connectors. You will most likely see a birds nest of wires running to terminals and grounding bars or screws. Remove the cover from the fuse distribution panel. With the switch or lever in the OFF position and the fuses removed, the fuse distribution panel is dead.Removing the fuses, protects you from someone inadvertently turning the switch or lever back to the ON position and delivering power to the electrical circuits you are working on. There is live power in this electrical box, even with the switch or lever turned to the OFF position. Open the main disconnect electrical box and remove the fuses.This is either a lever on the side of the main disconnect electrical box, usually market with ON in one direction and OFF in the opposite direction or a switch mounted on the front of the main disconnect electrical box, again marked ON and OFF. Turn off the power at the main disconnect as shown in Figure 2.Figure 2 - Main electrical service disconnect Because you will not have any utility lighting, make sure that you have flashlights or lanterns to provide you with working light. You will be turning all of the power off in the home to do the conversion from the fuse panel to the circuit breaker panel. If you have a separate main disconnect switch, there is no need to have a main breaker. The main breaker turns off the power to all branch circuits. This combines the older method of having a separate disconnect from the fuse panel. You can purchase your new breaker electrical panel also called a load center with and without a main breaker. In this situation the cartridge fuses will disconnect all power from the fuse panel circuits. They can be used as the main disconnect for the fuse panel.They can be used to fuse spit receptacles where the upper and lower part of the receptacle are on independent circuits.Common for water heaters, ranges and dryers. They can be used to fuse each side of a 230 VAC circuit.The cartridge fuse blocks serve 3 purposes:
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