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moopiehead
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why am I only getting 16v between both line phases coming into my service from the meter on a 240v single phase panel for a home
Why is My 240v Line Voltage Only Measuring 16v Between Line Phases?
- Thread starter moopiehead
- Start date
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- Tags
- Line Measurement Voltage
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Discussion Overview
The discussion revolves around a participant's measurement of only 16 volts between the line phases of a 240V single-phase electrical panel in a home. Participants explore potential reasons for this unexpected voltage reading, including equipment functionality and measurement techniques.
Discussion Character
- Technical explanation
- Debate/contested
- Experimental/applied
Main Points Raised
- One participant questions the measurement method, asking what device is being used to measure the voltage.
- Another participant inquires whether the measurement was taken with the voltmeter set to AC voltage, suggesting a possible misconfiguration of the meter.
- A participant notes that if all 120V devices are functioning, it implies that the line-to-line voltage should be 240V, indicating a potential issue with the measurement or the meter itself.
- Concerns are raised about the possibility of losing one side of the 240V supply, which could explain the low voltage reading while still allowing some 120V devices to operate.
- There is a suggestion to turn off all 240V appliances to see if that affects the operation of the 120V devices, indicating a potential interdependence in the electrical supply.
Areas of Agreement / Disagreement
Participants express differing views on the cause of the low voltage reading, with some attributing it to measurement error and others suggesting a loss of power on one phase. The discussion remains unresolved, with no consensus on the underlying issue.
Contextual Notes
Participants have not fully clarified the conditions under which the measurements were taken, nor have they resolved the implications of the voltage readings on the functionality of the appliances.