0
When you switch off a 3 pin power socket at the wall is it still earthed?
Wiki User
∙ 15y ago
A properly installed switch for a wall socket will only interupt the 'hot' leg. The earth (or ground) and the neutral will remain connected.
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
Is it normal for tester to show hot on a light switch with it in the off position and no power going to the light it controls?
Yes. Even with no power to the light, there is still power to the switch. To power off the switch you usually need to open a circuit breaker.
If a dimmer switch is turned to a low position but not off is it still on?
Yes it is still on and using as much power as if it was on full
Why would there be 2 live wires to an electrical switch?
Someone didn't know what they were doing. <<>> It could be that the switch box is used as a junction box. This is quite common in house wiring. If it is a three wire that you found this condition on then this is what is going on. If you shut the breaker off when you were working on the circuit, turn the breaker above it and the breaker below it and that should turn off the second hot wire.
What happens when a switch circuit is opened?
When a switch is closed the path through the circuit is continuous.
After wiring a 3 way switch one hears a buzz from inside the switch is this a problem?
Unless you trapped a bumble bee in the switch, it shouldn't be making any sound. Sounds like a loose connection somewhere in the box where switch is located. Is there any flickering in light? That would be a clear indicator. There also could be a faulty switch where the internal contactors are chattering because of corrosion or misalignment of contacts. To check this out turn off the power at breaker and pull switch and wiring out of box and then turn on the power and see if it is anything obvious (The bumble bee flies out). If it is still buzzing and you can't see why then turn off power again and remove one lead from switch. Put a wire nut or tape on bare wire so you don't get shocked. Turn off power and see if buzzing still there. Repeat for all other wires until buzzing stops. If all wires are off switch and buzzing still happens, do the same on the other 3-way switch in the circuit.
If a plug socket is left on with nothing pluged in will it still consume power?
No, unless there is an indicator light in the socket.
1999 Ford Explore All the light bulbs are working but my left brake light isn't Would it be the brake light switch if the right brake light is still working?
No. I am assuming that you first replaced the bulb? If you did replace the bulb, then I would check to see if you are getting power to the bulb socket. If no power is getting to the socket, you then need to find the break in the electric lines going to the socket.
Why is the earthed side of a circuit negatively-charged ie attract positively-charged ions?
There's no reason that the circuit must be configured that way. There are many circuits, devices, and applications in which the positive side is earthed. For example ... and for some reason that I still don't know after a lifetime in the telecommunications industry ... most telephone systems are powered with negative DC power plants, that is, with huge DC power plants and battery banks whose positive sides are earthed.
Is it normal for tester to show hot on a light switch with it in the off position and no power going to the light it controls?
Yes. Even with no power to the light, there is still power to the switch. To power off the switch you usually need to open a circuit breaker.
Jumped low pressure switch pressure switch at rear of compressor still nothing?
Make sure that there is power getting to the ac clutch when the switch is jumped. If the power is there then the clutch is bad and needs to be replaced.
Why should you not connect any electrical switch to the neutral instead of the phase?
IF Neutral is connected to the Switch then Live still exists on the socket even if the Switch is OFF.In such a situation a person can get a shock as Live can form a circuit thru the body to Ground.
If a dimmer switch is turned to a low position but not off is it still on?
Yes it is still on and using as much power as if it was on full
Why use relay insted of switch?
Because a switch is a 'permanent' action. A relay only completes the circuit while there is power. If there is a fault in the circuit, a switch will still allow power through, whereas a relay will break the circuit.
When a switch is turned off should the load be zero?
The load will be zero after the switch is turned off. if power is still being drawn then the switch is quite likely faulty
Is your kettle still getting power to it if you leave the switch on?
Nope, it turns off when the water is boiled.
Why is it that after I replaced my 1998 Lincoln power window switch it still blows fuses?
You have a short in the cluster.
Why does a plug slip out as I have to bend the prongs of plugs to get them to stay in the socket and even then they are still loose?
== == === === The socket is bad (mechanically worn out). Replace it. They are less than $1 at the home center. Know and apply all safety precautions associated with the repair and maintenance of power distribution systems when you work or refer this work to qualified professionals.== == Always be sure to switch off the breakers at the main panel before you attempt to do any work on any mains power circuit.
