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Would it be useful to insert two fuses in a circuit instead of one?
Wiki User
∙ 13y ago
If the circuit develops a fault which causes a dangerous over-current condition - which would have caused the original piece of fuse wire to melt and thus break the circuit before anything catches on fire - then doing the kind of vandalism to a fuse carrier, as is possibly being described by this question, is a negligent and highly dangerous act.
For a re-wireable fuse, using two pieces of fuse wire instead of one - or using a paper clip, a nail or any other piece of metal which is not the correct fuse wire - is:
- highly dangerous as it is a major cause of house-fires
- could mean that your house would no longer be covered for fire damage
- an illegal act in some countries which, if proven, could result in criminal prosecution followed by a heavy fine and/or imprisonment.
To summarize:
If this question is asking if it would be useful, in a re-wireable fuse carrier, to replace a single length of fuse wire by two lengths of fuse wire, wired in parallel, the answer is NO because one length of fuse wire should only ever be replaced by ONE length of the correct amperage rating, which means it must be fuse wire of an identical gauge and material as the original.
If this question is asking if it would be useful to replace a single cartridge fuse by two similar cartridge fuses connected in parallel, the answer is NO because the extra fuse would not be able to offer the same protection to the circuit as the original single fuse was intended to do. A single cartridge fuse should only ever be replaced by ONE cartridge fuse of the same identical size and amperage rating.
If this question is asking if it would be useful to replace a single cartridge fuse by two similar cartridge fuses connected in series, the answer is NO. The additional fuse would serve no useful purpose. A single cartridge fuse should only ever be replaced by ONE cartridge fuse of the same identical size and amperage rating.
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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
Wiki User
∙ 13y ago
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