1/5/2024 0 Comments Nissan fuse311122 40 amp fuse#10 may be used to feed an electric clothes dryer, electric water heater or another small panel elsewhere - garage, etc. The #12 are for plugs in the kitchen, dining room, clothes washer and specialty or dedicated appliances such as larger room air conditioners, etc. The #14 are used for general lighting and plugs throughout your house - except for those plugs in the kitchen, dining room, clothes washer & dryer. There will probably only be (2) #10 wires, (4) #12 wires and the rest #14 wires. The #14 is the smallest wire connected to a glass fuse and the #10 is the largest wire connected to a glass fuse. These are the most common wire sizes in the fuse box. The 15 amp fuse is to protect #14 gauge copper wire, 20 amp fuse protect #12 copper wire, and 30 amp for #10 copper wire. To properly select glass replacement fuses, the cover of the fusebox should be removed.There are also 10 and 25 amp, but are not very common. The standard glass fuses, like the type "S" tamper-proof counterparts, are available in 15, 20 and 30 amps values.The type "S" tamperproof fuse system removes the guesswork and danger of installing the wrong value fuses. The threads are such that they prevent installing a fuse with a value other than intended to protect the circuit (it is impossible to to put any fuse other than a 15 amp type "S" tamperproof fuse in a 15 amp insert, etc). The fuses and inserts have different threads for the different values of fuses. These fuses are a two piece protection system consisting of a threaded insert that is installed into the fusebox (like a regular glass fuse) and the the fuse itself that is installed into the insert. If the fuse has ceramic or plastic threads and two small copper contacts under the head of the fuse, they are type "S" tamper-proof fuses.Remove the fuse in doubt by turning it counter-clockwise.A fuse that does not test to 120 volts or does not fully illuminate the lamp, is a likely candidate for replacement (meters are always preferred over test lamps as a lamp may not provide enough of a change in brilliance that can be detected by eye).Continue checking the rest of the fuses by removing the probe from the the fuse tested, and repeating the procedure for the next fuse. If you get an indication of power (120 volts indication or lamp) this is not the fuse that has opened. This is done by pushing the probe along the outside rim of the fuse until it contacts the aluminum or copper metal in to which the fuse screws in. While holding one probe or lead of the test equipment (meter, wiggy or light) to an unpainted exterior metal part of the fusebox, touch the other probe to the metal thread of the fuse holder / fuse.If unable to visually inspect the metal link, use of a voltmeter, wiggy X Research source or neon test light should resolve the problem by following the steps below (they may also be checked via continuity test light, this procedure is detailed further below).For the screw-in type glass and type "S" tamperproof fuses:.Figure out what kind of fuse needs replaced.
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