Questions tagged [earth]
197 questions
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Why conceptually we connect circuits to earth but in reality that doesn't really work?
This question is best seen with an image:
Above we can see two equivalent representations of a circuit, on the left side we have a voltage source closed-loop connected to a Resistance (R), and on the right side the open-loop equivalent connected to…
tokenizer_fsj
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Is power DC power supply ground, connected to the chassis earth on a desktop PC?
When I plug a data-acquisition PCI card to a PC, I'm trying to picture the ground connections. Some following confusion arises:
Is the PC motherboard's ground and PCI's ground common?
Does a PC have analog and digital grounds? Ore one common…
user16307
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Earth Loop Impedance Meters; Difference between 3 lead (L-N-E) and 2 lead (L-N/E)?
In our company we use various different brands / models of ELI meters. Some have three leads, live, neutral and earth, and some have only two leads, one live and one neutral/earth combined.
Can anyone tell me the difference between the two types of…
Jonny Wright
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How do I properly earth this voltage regulator that only has a two-prong plug?
I have this automatic voltage regulator (AVR) that powers some audio equipment.
The problem is that it only comes with a two-prong plug so it isn't properly earthed.
This means that the people who are using the equipment like microphones will…
NDeLeon
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Is it possible to detect and filter noise on an earth?
I ask because I have a solar array on my house with micro inverters. The monitor (an Enphase Envoy) no longer detects the the inverters. Troubleshooting suggests noise on the earth, perhaps caused by transformers and motors. A suggested remedy is to…
Warren
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Is earth wire of any help in this situation
I have an appliance that has the wires connected well and it has been grounded (earthed). If I accidentally get into contact with a live wire will I get electrocuted considering it has already been earthed?
