30 (milliampere): electric shock and chest tetanus 40 (milliampere): electric shock + total tetanus. 70 to 100 (milliampere): electric shock, chest tightness and abdominal fibres shrinking plus burns 1000 (milliampere): sudden heartbeat, deep burns, and chemical breakdown of blood (non-reversible effects, meaning certain death). More than 1000 (Mill amps): destroys nerve centre and internal chemical decomposition.