GE Industrial Solutions EPM4500 Submeter - Manual (Page 30)

2–16 EPM 4500 SUB METER – INSTRUCTION MANUAL
INSTALLATION OF METER, MCI BOARD, AND CTS CHAPTER 2: INSTALLATION
• Ensure that the colors of the CT leads correspond to the color of
the tape on the phase feeder.
• Make certain that the white wire from the CT is closest to the line
side of the feed, away from the top of the breaker panel.
• For split-core CTs, ensure that the X1 is toward the line side.
• Run the CT secondary wires through conduit to the back box of
the meter.
Z Tap the feeder wires with AWG #12 stranded wire with black, red
and blue jackets taking care to match the color of the insulation of
the #12 wires to correspond to the color of the tape on the feeder
wire.
Z If the service is 4-wire, tap the neutral connection with a #12 AWG
stranded wire with a white jacket.
Z Run the current transformer wires black, white/black, red, white/
red and blue, white/blue to terminals CT-1 (I, N), CT-2 (I, N), CT-3 (I,
N), etc. on the MCI board (see the following figure).
The shorting links MUST remain in place while wiring the CTs to the MCI board. Failure
to do could result in severe injury and equipment damage.
FIGURE 2–6: Wiring of the MCI Board
Z Take the black, red, blue and white (if available) #12 AWG feeder
phase tap wires and run them to VA, VB, VC and N (if available)
respectively (see the following figure).
709715A1.CDR
Shorting links MUST BE in
place when wiring CT leads
to the MCI board.
White wire connects to "I" terminal
Colored wire connects to "N" terminal