User Manual

General
This leaflet contains installation instructions for the solid-state, residential electricity meters in the REX
family (referred to as “REX” within this IL) with the following form factors:
• self-contained: Forms 1S, 2S, and 12S
• transformer-rated: Forms 3S and 4S
All meters are calibrated and sealed before shipment. For proper installation, accuracy, and maximum
life of the meters, use the following procedures.
Use authorized utility procedures to install and ser vice metering equipment. Dangerous voltages are
present. Equipment damage, personal injur y, or death can result if safety procedures are not
followed.
When using the REX meter with the internal service control switch, follow authorized utility procedures
to reconnect electrical service. Property damage, personal injury, or death can result if proper safety
precautions are not followed.
Installing the REX meter
1 Make sure the meter to be installed matches the service type (that is, form), current, capacity, voltage,
and service socket.
2 Check the socket and verify that the wiring is correct. See “Internal wiring diagrams” on page 2 and
“Installation wiring diagrams” on page 3 for wiring diagrams.
3 Make sure that the voltage disconnect or test link on the back of the meter is closed, if installed.
4 Position the meter so that all meter blades make contact with all socket jaws and then press the
meter firmly into place.
5 Make sure the LCD turns on and the energy use indicator flashes if load is present.
REX
®
meter family
Installation instructions
IL42-4026J
2:55 pm, Sep 11, 2015