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Message: <blockquote data-quote="swampratt" data-source="post: 3666268" data-attributes="member: 15054"><p><h2>Transmission and Power Loss</h2><p>The rated voltage input in each cable the power company feeds to a service panel is 120 volts plus or minus five percent due to fluctuations in transmission loss in the power lines. This means that the power at the panel can be as low as 114 volts. As the electricity encounters resistance in conductors and does work while passing through electrical devices along its path, its voltage drops still lower. In a house with extensive circuitry, it is not unusual to get a 110 volt reading or less at receptacles far from the panel.</p></blockquote><p></p>