Together, they jointly signify neutrality. The same goes for any exposure between it and the ‘outside world.’ Instead, only the qualified, well-armed, and equipped electrician should be allowed to handle it. In this sense, it is used to regulate the flow of the electrical energy to the system and the performance of the same altogether.Ĭonsidering the sensitive role that this black wire plays, it may never be accessed anyhow. Since it runs from the mains outlet to the electronic power supply unit, it may also be used as a switch. It hence should never be used as a neutral or ground wire as a result of this. It is the one that draws the power from the mains outlet and transmits the same to the power supply unit of the electronic concerned.įor this reason, it is by far the most dangerous and riskiest of all the major wires that a circuit contains. The black wire is the live component of the electrical circuit. This arrangement is great as it prevents any confusion that may subsequently lead to the electronic appliance’s permanent or possible electrocution altogether. The blue wire’s existence gives you the power to operate the light and the fan power interdependently.
Lastly, it works alongside the brown wire to complete a circuit and enable smoother operations. In this way, it ensures the smooth circulation of the current and stifles the appliances’ ability to sustain shocks or voltage spikes. It is largely used to carry and transmit the live voltage that is subsequently passed through some conduits.Īdditionally, the blue wire takes away electricity from the appliances. These two are used to carry and relay electrical power but not for sharing the same with the various plug-ins or across the outlets. The blue works alongside the yellow color.
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