|
|
Table 1. Estimated effects of 60 Hz AC currents* 3 R' N8 V+ K- i& _+ x m
* v* @9 j L% [7 W
1 mA Barely perceptible
3 V# J+ `6 E0 u1 `% `16 mA Maximum current an average man can grasp and “let go”
2 e0 p9 e. h) m# B$ s3 E" d20 mA Paralysis of respiratory muscles + u0 U% i' E0 `
100 mA Ventricular fibrillation threshold
* H! |7 n D* J1 s" [4 Q2 A Cardiac standstill and internal organ damage
) C6 A$ K/ S1 ]1 n* S$ o15/20 A Common fuse breaker opens circuit†
( W5 u5 ]3 Y2 [/ f% W, ?
( \7 g5 W* I1 R7 D4 X*From NIOSH.1 : M, h5 h7 V! K2 p
†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.
* V- j Q( l N& J( X+ K/ dhttp://www.eplasty.com/index.php ... ume-09-eplasty-2009 |
|