Questions tagged [electrocution]
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Food for thought: Which person has truth in this discussion on capacity and AC? [closed]
I have stumbled upon interesting discussion in the commentary section regarding safety of electrical engineering in home environment.
person1: AC voltage 'flows' even through insulator, fact.
person2:...
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If a broken powerline touches the metal body of my car, can I touch any metal parts of my car while sitting inside of it?
Consider the following situation. I parked my car underneath some high-voltage lines – let’s say 380 kV-lines. Suddenly, one of the lines breaks in the middle due to a storm and one end of the (still ...
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Possible downstream dangers of common 5Vdc power supplies
Let's say you have a 5Vdc/2A power supply that is hooked to some kind of power transformer or DC/AC converter that generates 120V+. The example I am thinking of is a nixie clock device that is powered ...
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Electricity, circuits and grounding
If there is no utility company grounding rod for electricity to complete a circuit, can electricity still flow to the earth, i.e. the earth (planet) being some kind of sink hole.
This would mean no ...
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Is it normal to have around 40 V in your body, when touching your plugged, ungrounded laptop?
I have had bilateral shoulder pain and then both arms and hands pain for around 7 mounts, which got much worse when I started working from home, with my laptop.
The ultrasound of shoulder muscles ...
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Earthing and electrocution
I have seen many videos about earthing but I couldn't understanding why the current would flow from live to ground (earth) if one touched a live wire.
Suppose I am in a house and I touch a live wire ...
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Is it wattage that kills you and not specifically amps
First of all the actual amounts needed to kill and the body resistance is not important for this scenario.
Let's say we are working with dc.
Let's say that 100ma is enough to kill across the chest ...
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Dangerous step potential with low (line) voltage possible?
I've always read about step potential in terms of substations and high voltage powerlines, where we are talking in the kilovolt+ range.
What if there is a manhole cover and a mains(240V/400V) wire ...
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How to verify whether an electrical appliance is properly grounded?
I read that an electrical appliance/equipment that is not properly grounded can kill people, especially if it uses mains socket where the current drawn can be high. In fact, even a simple microphone ...
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What are the correct procedures when someone accidentally touches high voltage live cable and is getting electrocuted?
Suppose a family member accidentally touches high voltage live cable and is getting electrocuted in the toilet while he is installing lights. The problem with electricity is risk of conduction and ...
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Is it harmful to touch only one point in a 200V circuit
Consider an LED setup where several modules are connected in series so their forward voltages (~20V each) add up to something around 200V. The setup is driven by a Mean Well HLG-480-C2100 driver.
Now ...
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Is a non-isolated power supply a good/safe option for "inside the case" Arduino / ESP01 / ESP32 / whatever control using the appliance's PS?
I throw this highly important question, and refer you to my other threads in which I tackled this myself (learnt a WHOLE lot, and VERY important stuff indeed, could literally avoid you DYING from ...
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Electric shock from laptop [closed]
This is something that happened recently.
I was casually using my laptop with the laptop placed on a table, charging and my feet on the marble floor below. Only one of my feet was in contact with the ...
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How do 100mA ELCBs provide human protection?
Usually we use 30mA rated ELCBs in our homes. This is for our own protection against leakage current. But in instances where you have a 100mA or 250mA 3 pole ELCB used in industry, an earth leakage of ...
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How does electrocution (fatal) happen? [closed]
I'm trying to make my workshop safer but I can't understand how electrocution happens.
For example, one hand is touching to live wire and neutral wire is not touched. If I know right, current flows ...