what projects i did ? whether i had done it myself or bought it. which is the phase line on an energy meter . what are the rest of the two wires in energy meter ?

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Project - automated robotic car using sensors. Yes, i had bought it but had helped in building it up at the project center. Red wire - Phase , while the black one is for neutral . the first two set of wires is for incoming supply . while the other two set of wire is for outgoing wire that is connected to the entire house and the fuse.