number devices.system.energyStart
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Date and time since the last reset of the consumption counter. See .resetCumulativeConsumption() The property is read only!
string devices.system.energyStart
Value
The format is space separated date and time
YYYY-MM-DD hh:mm:ss
Usage
-- log voltage of the socket logf("Measurment start: %s", devices.system.energyStart)