Meter Wiring Diagram For Ct Rated Meter

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Meter wiring diagram for ct rated meter. Ct current transformer wiring connections for commercial form 9s electric meter installation. When ct s and pt s are used in a metering installation the installation is known as being transformer rated. Form 4s meter wiring diagram. Be aware that these are general diagrams using standard test switches which may not match some utility standards in their configuration and are for reference only.

We have two phase wires and a neutral. Rated 1200 amps or greater or any switchboard with an un metered switch. For the form 4s meter wiring diagram let s start at the bottom. Showing wiring from a current transformer in a cabinet to the test switch and to the meter.

Engineering data meter socket circuit diagrams 174 data subject to change without notice. Class 320 meter breaker data wiring diagrams 62 64 table of contents b line series meter mounting equipment 1 eaton. 10 pole test switch internal potential wiring of 13 14 15 jaw sockets. Single meter sockets ct rated with test switch bypass provisions 68 69 meter socket enclosures combination.

Watthour reactive ct rated meter sockets 13 pt. Transformer rated meters are required when voltages and currents exceed the meter s direct connect capability a form designation tells us about the number or terminals their location and the internal meter wiring in ct and vt connections polarity must be observed for metering to be correct. Some people refer to the meters that use a ct pt combination or just ct s as a current transformer meter. Meter 3 wire using ct s 3 wire using ct s 2 or 3 element meter.

One of the most requested items of information that we receive is for wiring diagrams for the meters we sell. Notice that we are going to be metering a single phase three wire service. To obtain this approval four copies of a one line diagram for the meter current transformer cabinet and disconnect switch sequence must be submitted to comed s system meter department located at 1919 swift dr oakbrook il 60521. Form 5s meters are transformer rated meters that can be used in a variety of different service types.

The only difference is that it is larger. Make note that this is the same type of service that you find on most homes. Here is a wiring diagram for the form 4s meter. This page contains circuit type and wiring diagrams for all the form s of meters sockets and pans.

This is a transformer rated meter that would be used when the service is too large to put in a form 2s meter. 6s wiring diagram 4 wire wye 3 ph 4 wire 2 pt 3 ct glems would like to thank and acknowledge the use of the following meter connection diagrams from dr.