Ground Fault Circuit Interrupter or GFCI outlet is the hero in the washrooms! Make sure you have it installed, and you plug your electronics in GFCI. I use ALTIUM to design schematic and PCB, here’s 30% discount on the license: https://electroboom.com/Altium (affiliate link) Check my tee-shirts at: http://teespring.com/stores/electroboom It would be pretty awesome if you support ElectroBOOM at Patreon: http://patreon.com/electroboom Read other articles at: http://www.electroboom.com Follow me on Facebook: http://www.facebook.com/ElectroBOOM And special thanks to my sponsors and patrons: http://www.electroboom.com/?page_id=727 Below are my Super Patrons with support to the extreme! Aki K. at http://www.pc-doctor.com/ James Y. at http://vsee.com/ Christopher R.P. By: Mehdi Sadaghdar