Ct Electric Meter Wiring Diagram

That is because there is no universally accepted color code.

Ct electric meter wiring diagram. Meter installation from pad mount transformer w vt pack 480v figure 15. Showing wiring from a current transformer in a cabinet to the. Meter enclosure a wood or metal cabinet or metal socket installed indoors or outdoors in which the company s metering equipment is located. Unused ct inputs could possibly pickup electrical noise so it is a good practice to short out unused ct input terminals by connecting a wire jumper about 1 inch long between the white and black ct terminals.

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. First is that the colors that i chose were chosen at random. It will be easier to connect the wires to the terminal block if the block is first plugged into the meter. A ct meter is simply a meter that is used in conjunction with instrument transformers known as current transformers.

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. There are self contained meters. S0 as you begin to study the wiring diagram i want to make note of a few things. The form 9s meter is one of the most commonly used meter forms.

American electric power company meter and service guide 4 figure 14. Meter a device for measuring the electric power and energy supplied to a customer. Transformer rated meters are also known as ct meters. 480v delta or 277 480v wye 200 amp below service self contained metering with meter disconnect figure 16.

47 ways to wire your power meter wrong frequently asked questions make the most of portable test wiring circuit diagram on three phase ct energy block panel lt ac four c41 form 9s 3 4 connection for l t whole. In addition there are transformer rated meters. Meter installation from pad mount transformer usi ng bushing type ct s figure 14b. These are also known as cts.

In electrical metering meters are divided into two types. Note the voltage inputs to the meter must be externally fused via a slyde lock fuse and terminal 11 is the neutral tying down the three voltages 2 the ct cables should be kept as short as possible use 2 5mm cable to maintain accuracy 3 cts match the ratio of the meter being fitted eg 200 5 amp meter 200 amp cts. Meter sockets a meter socket is the base portion of a socket type meter.