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1.sHort ciRcuit
An abnormal condition (including an arc) of relatively low impedance, whether made accidentally or intentionally, between two points of different potential in an electric network or system.
Unintentional short circuits are usually caused when a wire's insulation breaks down, or when another conducting material is introduced.


2. What is a fuse? What happens when you blow a fuse?
A fuse is a type of overcurrent protection device. The most essential component of a fuse is a metal wire or strip that melts when too much current flows. When the metal strip melts, it opens the circuit of which it's a part, and so protects the circuit from excessive current.
When we blow a fuse, the indicating pin extends to activate the micro switch or relay which in turn triggers an event.


3.How do Circuit breakers Work?
Circuit breakers work whenever electrical wiring in a building has too much current flowing through it, these simple machines cut the power until somebody can fix the problem.


4. When is there an overload in a circuit?
Overload in a circuit occurs when the wiring to or within a machine or system is subjected to a greater electric current load than it was designed to carry, leading to excessive heating of the wires and a possibility of fire.


5.Why will too many electrical devices operating at one time often blow a fuse?
Several devices operating at the same time will most likely blow a fuse because an enormous current is being generated which triggers an overcurrent protection device or the fuse. This excessive current load can result to an electrical insulation failure (a short circuit) or human error which includes fires and explosion.


6.What are the dangers of short circuit and overload?
Short circuit and overloading can be very hazardous to human. Fire and explosion are the most noted dangers of short circuit and overloading. These are caused by several factors but most often it's because of the excessive current flow which releases extreme heat especially if there's no device used to aid or prevent it. Fuses and circuit breakers are most commonly employed for this purpose.


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