How Safe Is the SHOWER HEAD OF DOOM?!

If having live wire in shower isn't bad enough, these water heaters make you do it! How bad is it?
Also use promo code "ElectroBOOM" at http://CircuitSpecialists.com for 10% off. And for my multi-talented scope, follow this link: https://www.circuitspecialists.com/hantek2d72_70mhz_oscilloscope.html

Sign up for the Scope/meter/gen draw: https://forms.gle/BvQ2NAPD8LtGQm6T6 It would be pretty awesome if you support ElectroBOOM at Patreon: http://patreon.com/electroboom