Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [shock]

96 questions
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6 answers

Why am I not dead after repeatedly touching a high-voltage source?

While playing with mosquito racket in my home, I unscrewed the racket and touched the 2 wires with my hands. I felt that my bones were dislocated, I got shocked, but I am not dead. My calculations say that I should die: the output voltage is 5 kV to…
pankaj prasad
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Can a 12V battery give you a shock or not?

I am reading a book called "Make: Electronics" and, on page 9, it says: "Anyone who has dropped an adjustable wrench across the bare terminals of a car battery will tell you that short circuits can be dramatic at a "mere" 12 volts, if the battery is…
Bitcoin Cash - ADA enthusiast
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6 answers

How did I survive this shock?

When I was about 10 years old playing with lamps, I accidentally picked up a wire completing a circuit for a lamp plugged into the wall (120 V AC U.S. standard). I'm not sure if it was the hot or neutral wire, but I had completed the wire from hand…
JavaProphet
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Is ground connection in home electrical system really necessary?

I know that the answer to my question is "Yes, it is!". The ground connection is needed to avoid a person touching a metallic part of faulty equipment to be electrically shocked. So the person acts as the conductor closing the circuit between the…
PauerEightySix
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Should I ground my body when working with 200V+?

I was working on a project converting 220V AC to 5V DC and I accidentally touched the underside of the transformer which gave me a big shock and I was wondering if it's a good idea to ground my self like with a wrist band or something like that to…
DeadSec
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3 answers

Electrocuting a fruit fly using magnetic induction

We are electrically inducing heart attacks in fruit flies to test the effects of various treatments on survival. We are shooting for roughly a 50% survival recovery rate in our control group. I work with a lab that is studying cardiac function in…
user146252
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5 answers

Avoiding static shocks from vehicles

I don't entirely understand static electricity; particularly how it seems to flow through rubber shoes and paint, but seemingly not rubber tyres or car seats. I am tired of getting shocks from my van. I've read that those anti-static strips for…
Jodes
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Feeling a tingling sensation by touching stuff, Is this safe?

I'm putting on my desktop computer on steel rack as usual. A while ago, when I touch the steel rack for seconds, practically I feel a tingling sensation, sort of electrical shock in my finders. After that I measured how voltage the steel rack has,…
丶 Limeー来夢 丶
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Why do you get shocked touching a live wire?

A number of times (over many years) I've accidentally touched a live AC mains wire (120V, 60Hz) while working on home wiring. The feeling is always similar: uncomfortable tingling feeling at the point of contact (generally the tip of my finger). …
Brian
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Why does isolation transformer protect from shock?

Perhaps I can best explain the question with two examples: (1) there is PC powered directly from 230V mains (unprotected by RCD or similar), and there is fault in PC that causes line voltage to connect to PC case. When user touches the case, he will…
Matija Nalis
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grounding a mailbox - isn't it already grounded?

I live right next to some suspended power lines. My mailbox is very close to them, and anytime I touch the mailbox, I get a mild shock. It seems to me I need to do something to ground the mailbox but...it's already on a post going into the ground.…
user3006472
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Electric shock - remedy an option?

Simultaneously touching my dishwasher (i.e. the aluminum coating on the inside) and my kitchen sink just gave me a rather unpleasant electric shock. Measuring the potential showed around 110v between the two. Shorting the connection, I measure…
Zsolt
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Electric shock from outdoor security cameras

I just bought this outdoor security camera kit from Amazon. (Amazon product link) When wiring it up, I noticed that I got a small sharp shock when touching the small screws on the metal casing around the cameras. I was wondering if this should be…
Dave
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Electric shock with isolated material in the circuit

I never understand why electric shock happens if I'm connecting to ground by isolated material. Let's consider an example with monophase 220V electrical system electrical shock while I'm wearing rubber shoes and touching a stripped wire. With this…
Tobia
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Whats the minimum voltage and current to feel stimulation on skin?

What I'm trying to ask is what voltage and current is necessary in order for it to be felt on the skin when touching an electrode? And is AC of DC better for this job? I know it depends on the distance between the electrodes and the resistance of…
user41260
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