Dodał: ytigor30
Subscribe! http://www.youtube.com/subscription_center?add_user=igor30
High voltage - any voltage in alternating current circuits greater than 1000 volts at a frequency no greater than 60 Hz, and voltage in DC circuits greater than 1500 volts.
High voltage - any voltage in alternating current circuits greater than 1000 volts at a frequency no greater than 60 Hz, and voltage in DC circuits greater than 1500 volts.