need to know the electrical connections for a Square D water pump pressure switch..Have a quot;blacka quot;Redand the quot;ground quot;of course
The two source wires connect to L1 and L2. The two pump wires connect to T1 and T1. The grounds get grounded. When the pressure falls, the contacts pull together and connect L1 to T1, and L2 to T2, and start the pump.
Appears okorder /.. Can't find a diagram so we'll work from memory and assume the terminals are marked L1, L2, T1,T2 (as in motor control): Line (supply) connects to L1 L2 Load (pump) connects to T1 T2 Both grounds connect to the switch's Ground screw L1 T1 are terminals on the same NC contact block likewise for L2 T2 L1 T1 are electrically isolated from L2 T2 GL...
