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Examples
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For 120 volt power tools I use a variac because I dont want to subject the power conditioners to the voltage spikes and inductances caused by the motors.
voltage 2008
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The Wikipedia article on switching power supplies mentions using a variac to determine that a power supply actually operates from 90V to 260V.
voltage 2008
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I use 3 APC Automatic Voltage Regulators, simple surge protectors, and a variac to manage my needs.
voltage 2008
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For heavy power consumers/motor based power tools operating at US voltages I am planning on using a variac variable voltage transformer to drop the 127 volts ac to 120 volts to avoid reducing usable product life.
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For heavy power consumers/motor based power tools operating at US voltages I am planning on using a variac variable voltage transformer to drop the 127 volts ac to 120 volts to avoid reducing usable product life.
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For heavy power consumers/motor based power tools operating at US voltages I am planning on using a variac variable voltage transformer to drop the 127 volts ac to 120 volts to avoid reducing usable product life.
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Maybe a variac/variable transformer would be better for these.
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Maybe a variac/variable transformer would be better for these.
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Maybe a variac/variable transformer would be better for these.
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Maybe a variac/variable transformer would be better for these.
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