ADC Power Distribution Power Supply User Manual


 
ADCP-80-575 • Issue 2 • December 2006
Page 21
© 2006, ADC Telecommunications, Inc.
6. Locate the C GND (chassis ground) studs at the rear of the panel as shown in Figure 15.
Figure 15. Chassis Ground Connections
4.4 Connecting Alarms
Depending on the model being installed, the fuse platform will have either of two types of alarm
connectors on the rear side of the platform:
Screw-down barrier terminal strip
Wire wrap pin
Figure 16 shows the two types. Connect the connectors as follows:
Screw-down barrier terminal strip: The terminal screw size is 3-48. Terminate wire leads
with crimp-on spade lug or ring connectors that have a maximum width of 0.200 (5.080
mm) or use #16 to #30 AWG copper wire without lugs (insulation stripped back). In
selecting wire size, follow local code referring to the ampacity guidelines provided in
Appendix A of this manual.Tighten the terminal screws to approximately 9 pound-inches
(1 Newton-meter) of force.
Wire-wrap terminal: Wrap terminal block pins using #22 to #26 AWG copper wire with
insulation stripped back. In selecting wire size, follow local code referring to the ampacity
guidelines provided in Appendix A of this manual.
DETAIL DRAWING
OF GROUNDING
WIRE CONNECTION
18868-A
TIGHTEN STUD NUT TO
23 POUND-FORCE INCHES
(2.6 NEWTON METERS)
OF TORQUE