Compaq R6000 - Manual (Page 35)

2-10 Compaq R6000 Series UPS Operation and Reference Guide
Recommendation
Flexible metal conduit should be used when hardwiring the Compaq R6000
UPS. This will provide ease of service and maintenance of the system. Please
consult a licensed electrician.
Procedure
1. Locate the input wiring entry port (1),input wiring inspection panel
(2), and terminal block input cover (3).
Figure 2-4. Rear panel, showing wiring entry point and inspection panel
2. Remove the terminal input block cover. Set aside but do not discard the
cover; the input block cover carries the wiring diagram for the terminal
block.