Electrical systems Travel Guide — Things to Do, Food & Hotels
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About Electrical systems
—George Carlin In particular, connecting a device that is designed for 110 V to a 230 V supply risks severe damage to the device, and itmay catch fire or even explode! For a simple resistive load doubling the input voltage quadruples the power and heat, and this is a reasonable first approximation for any load. Connecting a higher voltage (220–240 V) device to a low voltage supply (110 V) is not completely risk free, although certainly much less dangerous than the other way round. Never assume the voltage is correct just because the plug fits. Start by taking a look at the back of the device or charger you want to use and find the numbers for "input". If the input reads "100–240 V, 50/60 Hz", it will work anywhere in the world with the right plugs. It is quite common for devices designed
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