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The Water Cooler
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Electrical Advice, please
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<blockquote data-quote="Perplexed" data-source="post: 1542375" data-attributes="member: 7157"><p>OK, I have to apologize for any confusion I may have caused with my previous comments. I just had it explained to me by a friend who's more well-versed in physics than me:</p><p></p><p>Basically, I was confusing input and output when it comes to power being produced. A cutter operating at 120V requires more amperage to produce a given wattage than the same cutter operating at 240V. For example, let's say 3600 watts are needed to complete the cutting operation. At 120V, that would mean 30 amps of draw from the outlet (3600/120), whereas at 240V the draw would only be 15 amps (3600/240). So a 20-amp breaker would trip if the voltage was 120, but it probably would not if the line was 240V. At least, that's how I'm understanding it now...</p></blockquote><p></p>
[QUOTE="Perplexed, post: 1542375, member: 7157"] OK, I have to apologize for any confusion I may have caused with my previous comments. I just had it explained to me by a friend who's more well-versed in physics than me: Basically, I was confusing input and output when it comes to power being produced. A cutter operating at 120V requires more amperage to produce a given wattage than the same cutter operating at 240V. For example, let's say 3600 watts are needed to complete the cutting operation. At 120V, that would mean 30 amps of draw from the outlet (3600/120), whereas at 240V the draw would only be 15 amps (3600/240). So a 20-amp breaker would trip if the voltage was 120, but it probably would not if the line was 240V. At least, that's how I'm understanding it now... [/QUOTE]
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