|
Current
in Miliamperes |
Physical phenomenon |
Feeling or Effects |
|
(mA) 60 HZ |
|
|
|
< 1 mA |
None |
Imperceptible |
|
1 mA |
Threshold of perception |
Mild tingling |
|
3-10 mA |
Threshold of pain |
Painful shock |
|
10 mA |
Threshold of Paralysis (Arm, Hand) |
Cannot release grip |
|
30 mA |
Respiratory Paralysis |
Breathing stops |
|
75 mA |
Fibrillation Threshold* |
Heart Action is Discoordinated |
* Fibrillation
is usually fatal if sustained just for a few seconds.