Extron Electronics PS 124 - Manual (Page 13)

PS 124 12 VDC, 4 Amp Power Supply • Installation Manual 7
7 . From the rear panel end, pull the IEC connector
(see figure 4) out of the enclosure.
8 . From the conduit kit, thread the 18-gauge power wires
through the length of the electrical conduit tube.
9 . Install the EMT adapter plate (figure 2) into the opening.
Use the Phillips head screws removed in step 2 (figure 4) to
attach the adapter plate.
N If the conduit is attached to the EMT plate, skip step 10.
10 . Slide the conduit nut (figure 7, below) over the bundle of
wires exiting the conduit and onto the conduit itself inside
the PS 124. Hand-tighten the nut.
Tie Wrap
Neutral Terminal Ground Wire Nut
Terminal Block
Conduit Nut
Hot Terminal Metal Tab
Figure 7 — Terminal block and conduit wiring
11. Attach and fasten the hot and neutral wires from the
conduit to their corresponding screws on the terminal
block.
W Ensure wire polarity is observed. Figure 7 shows
the location of the neutral and hot terminals on the
terminal block. The conduit wiring harness neutral
wire is identified with a tag marked "N" (neutral).
12. Attach the ground wire from the conduit to the chassis
ground, securing it by reattaching the ground wire nut.
13. Thread a tie wrap through the metal tab on the bottom of
the PS 124, place all the wires within its cradle, and zip the
tie wrap over the bundle of wires.
14. Tighten the conduit nut (figure 7 above) to ensure it firmly
secures the conduit to the EMT adapter plate.
15. Use the screws removed in step 3 to fasten the top cover of
the PS 124 back onto the chassis (figure 5).