Wednesday, February 8, 2012

Know your suitable current limit




Effects of elecrical current in the human body

Current

Reaction

Below 1 Milliampere

Generally not perceptible

1 Milliampere

Faint Tingle

5 Milliampere

Slight shock felt. Not painful but disturbing. Average individual can let go. Strong involuntary reactions can lead to other injuries.

6 to 25 Milliampere (women)

Painful shocks. Loss of muscle control.

9 to 30 Milliampere (men)

The freezing current or “let go” range. If extensor muscles are excited by shock, the person may be thrown away from the power

source. Individuals cannot let go. Strong involuntary reactions can lead to other injuries.

50 to 150 Milliamperes

Extreme pain, respiratory arrest, severe muscle reactions. Death is possible.

1.0 to 4.3 Amperes

Rhythmic pumping action of the heart ceases. Muscular contraction and nerve damage occur; death is likely.

10 Amperes

Cardiac arrest, severe burns, death is probable.



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