Farad Super3 DC Y-Split CableThe Farad Super3 DC Y Split Cable Although we think it is better to connect one device to each supply, some situations ask for one supply on two devices. For example when two switches are used which are optically coupled, there cannot be ground loops, and it is possible to use one supply for two switches, to keep things simple and less costly. For these specific situations we designed Y split cables going from one gold plated GX16 4 to two barrel