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Table 1. Estimated effects of 60 Hz AC currents*
: u& x0 C- J) A5 l) |7 u" a% ~ 4 w2 h9 I$ f. e8 H7 R7 r
1 mA Barely perceptible
8 p. B# d$ ^& o6 l; f* ~. x1 G4 W16 mA Maximum current an average man can grasp and “let go”
) @1 W$ F5 [/ O" |4 @ D- P0 a/ t; H20 mA Paralysis of respiratory muscles
) |4 V+ k! q, v, T6 c b: f100 mA Ventricular fibrillation threshold
- I' V$ Y; B G# t0 C: {) J- ?3 e2 A Cardiac standstill and internal organ damage
3 {8 }) h# O6 S* e; B6 o: J9 O15/20 A Common fuse breaker opens circuit†
2 P- f) W+ o+ K3 Z+ c; M. n ) e: ~7 l x4 I7 M. j d
*From NIOSH.1
: v; U) o6 @( P ^8 D" s" s†Contact with 20 mA of current can be fatal. As a frame of reference, common household circuit breaker may be rated at 15, 20, and 30 A.
$ _5 o+ f/ X( u- ^/ N2 |" chttp://www.eplasty.com/index.php ... ume-09-eplasty-2009 |
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