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The potential for electrocution is eliminated if you switch the "live" leg instead of the neutral.
The transformer that feeds your house is typically capable of delivering 240 VAC. The transformer is "center tapped", meaning that the center of the output coil is literally "tapped" to become the third wire. At the transformer, most electrical service companies ground the center tap, making it effectively, zero potential voltage.
By the time it gets to your home, however, the neutral may actually carry a small potential, making it slightly different than the ground wire that runs through your home.
Switching the neutral breaks the connection and turns off the appliance, however it leaves the rest of the circuit live, and creates a significant electrocution hazard.
However, switching the "live" leg terminates the electrical potential at the appliance and eliminates the electrocution hazard.
What else can I help you with?
Can spst switches be wired as a 3 way switch?
No.
Can 12 volt switches be wired 3 way?
Yes.
How are switches in electrical circuits usually wired?
Switches in electrical circuits are typically wired in series with the load they control. This means that the switch interrupts the flow of current to the load when turned off, and allows current to pass through when turned on. The switch is connected to the hot (live) wire coming from the power source, and the other terminal of the switch is connected to the load.
How is a circuit breaker panel wired?
how to connect cables to switches 240 box
Are switches wired in parallel?
Yes, switches in a circuit are typically wired in parallel. This allows each switch to control the same load independently; when one switch is turned on, it completes the circuit and allows current to flow, regardless of the position of the other switches. This configuration is commonly used in lighting circuits, enabling multiple switches to operate the same light fixture from different locations.
What will happen if the two switches connected to light up a single bulb are on?
It is dependant on whether the switches are in wired in a parallel or series configuration. If the switches are wires in parallel then both switches would have to be off to turn the light bulb off. Either switch could turn the light bulb on. If the switches are wired in series then both switches would have to be on to turn the light bulb on. Either switch could turn the light bulb off.
Why does series circuits do the same as AND gates?
The output of an AND gate is set only when all of its inputs are set, and when switches are wired together in series, current can flow only when all of the switches are on.
How does a door bell button open to the replace battery?
Most buttons are just momentary switches hard wired.
How are safety switches wired to the holding coil?
In control circuit wiring the safety switch is in series with the holding coil.
Why is it that we often see multiple switches wired in series with a load?
Multiple switches are wired in series with a load to provide multiple points of control for the same load. This allows the load to be turned on or off from different locations. Each switch in the series must be in the ON position for the load to be powered, creating a fail-safe mechanism. Series wiring also ensures that all switches must be off to completely disconnect the load, providing added safety.
What is the brown wire on my house wiring?
If you live in Europe, then the brown wire is the line ('hot') conductor; a blue wire is the neutral conductor, and a yellow/green striped wire is the protective (earth) conductor.
What are the advantages of wireless over wired technology?
, 1. With wireless you can move around with a computer compared to wired when you have to be close to a router or a switch. 2. It is cheaper to connect more people to a network where as with wired you keep having to buy switches to expand the network. Thanks Samtuckonline
