Fuse box with four branch circuit fuses, range pull out on the right, main pull out on left. I looked around for a hidden old fuse panel (there are still 1 or 2 in this house that serve small areas but they are downstream from breaker box). Replacement fuses cost a dollar or two; more advanced time-delay fuses allow for short surges before blowing but cost several dollars more. The list of improper modifications that can be made is very long. It has a row of 4 edison screw type fuses. The number of actual blown fuses in this country is becoming fewer and fewer as people continue to have their old fuse boxes replaced by new electrical panels 200-amp service, and circuit breakers. The voltage tester will indicate if the breaker is getting power. All fuses must have a way for electricity to enter and exit. POST a QUESTION or COMMENT about old house wiring, knob & tube, old fuse panels, old house wiring condition & safety InspectAPedia tolerates no conflicts of interest. The middle 2 are red and say "time delay fuse 20Amp." Safety first! You have to keep the electrical current […] If there is no power to one fuse but all the others are functional, the problem lies with the fuse block itself. How to Work with Old Electrical Wiring: Repairing Old Electrical Wiring, Old Electrical Wiring Problems. Double-check your ground connection if all the fuses read "0" volts to ground. Recognize the fact that a house with a fuse box has electrical components that are more than half a century old. They may be tested without removing them from the fuse holder. The ohm meter can check fuses, old incandescent light bulbs, etc. Test the circuit breaker with a voltage tester to see if it’s faulty. There are two basic types of cartridge fuses available, so it all depends on the age and size of the house. Placing the fuse or fuse in the fuse holder on a non-conductive surface, and touch a probe to each end. Fuses 2 & 3 are “double taped” (two conductors from one fuse). Abbove this row of 4 fuses are two carriages side by side. Insert the two test leads into the meter, and then turn the dial on the ohmmeter to ohms. How to use the ohmmeter? In short, any older system is typically less safe than a newer system and most fuse systems are very old. Before you test the fuse, you need to know what it is about. I Cant find a fuse box issue related to this issue. We have no relationship with advertisers, products, or services discussed at this website. The outter two are clear. Remove the fuse to test from the panel completely. If the breaker is faulty, you’ll need to replace it. I have an old fuse box that blew a fuse and I am not sure how to replace it. Replace it with a new fuse of the same ampere rating (such as 10A, 15A, and so on) as the old fuse. Knowing how to test a circuit breaker can save on electricians’ fees. DO NOT use a new fuse with a higher rating - this could damage your home's wiring or cause a fire! 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