Electrical safety
Talking points
~1 mA: OK (2012)
~10 mA: shock, contraction (2012)
~100 mA: fibrillation (2012)
body: M ohm external, k ohm internal (2012)
skin depth: ~1/f^(1/2) (2012 - 2014)
dielectric breakdown: ~kV/mm (2012)
supply capacitors (2012)
inductive flyback (2012)
protection diodes (2012)
connector polarization, orientation (2012)
polarity protection diode, MOSFET (2023)