Form 4s Meter Wiring Diagram - Learn Metering Apr 19, 2017Form 4s Meter Wiring Diagram. For the form 4s meter wiring diagram let’s start at the bottom. Notice that we are going to be metering a single-phase three-wire service. We have two phase wires and a neutral. Make note that this is the same type of service that you find on most homes. The only difference is that it is larger. How to hook up a frequency meter for a generator? | Yahoo Jul 14, 2007It measures 55-65 Hz. It has two terminals on the back, one is marked with a + sign, the other is unmarked. There is a little spring like wire that bridges the two terminals in the back. I have no instructions, diagrams, etc, and have no idea how to hook up this meter Related searches for hz meter wiring diagram meter wiring diagramselectric meter wiring diagramamp meter wiring diagrammeter box wiring diagramwiring meter base diagramsct meter wiring diagrammeter form wiring diagramshour meter wiring diagram