Ct Electric Meter Wiring Diagram

It will be easier to connect the wires to the terminal block if the block is first plugged into the meter.

Ct electric meter wiring diagram.

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 enclosure a wood or metal cabinet or metal socket installed indoors or outdoors in which the company s metering equipment is located. That is because there is no universally accepted color code. 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.

S0 as you begin to study the wiring diagram i want to make note of a few things. Meter installation from pad mount transformer usi ng bushing type ct s figure 14b. 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. The form 9s meter is one of the most commonly used meter forms.

These are also known as cts. 480v delta or 277 480v wye 200 amp below service self contained metering with meter disconnect figure 16. 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. Ct current transformer wiring connections for commercial form 9s electric meter installation.

First is that the colors that i chose were chosen at random. In addition there are transformer rated meters. A ct meter is simply a meter that is used in conjunction with instrument transformers known as current transformers. Showing wiring from a current transformer in a cabinet to the.

Meter sockets a meter socket is the base portion of a socket type meter. 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. Meter a device for measuring the electric power and energy supplied to a customer. There are self contained meters.

Series 700 200 power meters pm7 pm2 vs pm800 pm8 ct wiring for system type 30 w 2cts faqs schneider electric south korea. In electrical metering meters are divided into two types. Transformer rated meters are also known as ct meters.