Ct Cabinet Wiring Diagram

When cts and pts are used in a metering installation the installation is known as being transformer rated. Wiring appliance installation index apr 2014 esig esig.

Multiple metering and utility separations philly and suburbs.

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Ct cabinet wiring diagram. Table of contents information and requirements page iii for electric service c jan 2019 dominion energy underground 320 amp 400 amp max single phase 3 wire 240. For changes of service involving current transformers cts within a ct cabinet contact ouc electric operations 407 434 4269. Ct rated u122013 closed u122013 open ct metering data subject to change without notice.

3 2 ug ct cabinets contd service applications. Transformer rated services run in parallel with the service. Amperage 1o 3 wire 120240 volts 800 a 3o 3 wire 240 volts 3000 a 3o 3 wire 480 volts 3000 a 3o 4 wire 208y120 volts 2000 a 3o 4 wire 480y277 volts 3000 a.

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. Phase wire voltage max. Ct current transformer wiring connections for commercial form 9s electric meter installation.

Page 4 of 21. Section 3 400 amp and larger common. We supply these meters on the assumption that they will be installed by a qualified electrician familiar with the installation of metering equipment ensure all current transformers are installed as per wiringdiagram which can also be.

Wiring diagrams photos sketches electrical. Showing wiring from a current transformer in a cabinet to the test switch and to the meter. Ct cabinets current transformers for metering large electrical services.

Install any conduit pull wire or land wire not cted. Ct installation and wiring explained by continental control systems. Ct rated meters are also typically demand meters as well.

Consult local utility for area acceptance. To schedule transformer stand by to. Current transformer wiring diagram instructions note.

All dimensions are in inches. Voltage drop factors. Installing the ct cabinet in the rough wiring stage of construction.

Before attempting to install cts read the ct installation safety page. Index 7 section 7 general. Meter socket enclosure combination cabinets 71 meter mounting equipment partupc catalog amp service connections number number rating jaws type access line load neutral.

Some people refer to the meters that use a ct pt combination or just cts as a current transformer meter. This is usually not a concern if there is no line. Ct cabinets metering equipment information and facility services by able group inc.