PLC enables sending data over existing power cables. With just power cables connected to the energy meter, it is possible to read and execute commands.
The sample quantity is internationally not fixed, most countries are taking a random 4 % sample, while for example Germany sticks on testing 20 %.
CLOU is a reliable supplier in the smart metering market, international and domestic.
Maintaining the right cross-section avoids overheating and is also reducing the internal resistance.