safety Electric Current

Question 1

Electricity is inherently dangerous, what are the values of the currents that affect personnel effected?

Answer 1

1 mA- involuntary reaction
10 mA- prevents you from releasing your hold.
20 mA- physical damage
30 mA- can KILL

Question 2

What’s the resistance of a dry body?

Answer 2

1 k(omega sign) 1 killer ohm.

Question 3

How many Volts can kill?

Answer 3

30 volts can kill dies to working out from the resistance is 30mA x 1000 ohms. V=0.030 x 1000 =30 volts

Question 4

What are the one ‘safe’ supplies we have on board?

Answer 4

24 volts