This post How Do Some Devices Have Dual Input Voltage Ratings? appeared first on ELECTRICAL TECHNOLOGY. Why and How Do Some Electrical Devices Support Two Different Voltage Ratings as an Input Power? Dual Voltage Operated Devices Different countries use different standard voltages for their power grids, commercial and residential applications. For instance, USA and Canada use 120V/240V, while Europe, UK, Asia and Africa use 230V/415V. Surprisingly, Japan uses 100/200V system which … Visit t...
