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Answer Posted / mohit
WHEN WE USED 220 50 HZ SUPPLY WE CAN USE THIN ELECTRICAL
WIRES BUT FOR 120V 60 HZ SUPPLY WE NEED THICK WIRES.RICH
COUNTRU CAN PAY FOR 120V 60HZ AND SHOCK RATE IN CASE OF
120V IS LESS THAN 220V .HENCE FOR PERSONAL SAFETY REASONS
AND RICH , US. ETC ARE USING 220C 50HZ SUPPLY.
| Is This Answer Correct ? | 27 Yes | 10 No |
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