Ct Electric Meter Wiring Diagram

S0 as you begin to study the wiring diagram i want to make note of a few things.

Ct electric meter wiring diagram.

Meter a device for measuring the electric power and energy supplied to a customer. 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. 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. A ct meter is simply a meter that is used in conjunction with instrument transformers known as current transformers. 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. Showing wiring from a current transformer in a cabinet to the.

The form 9s meter is one of the most commonly used meter forms. Series 700 200 power meters pm7 pm2 vs pm800 pm8 ct wiring for system type 30 w 2cts faqs schneider electric south korea. 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. In addition there are transformer rated meters.

That is because there is no universally accepted color code. American electric power company meter and service guide 4 figure 14. 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. 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.

About the form 9s 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. In electrical metering meters are divided into two types. Meter installation from pad mount transformer usi ng bushing type ct s figure 14b.

These are also known as cts. Ct current transformer wiring connections for commercial form 9s electric meter installation. Meter sockets a meter socket is the base portion of a socket type meter.