OnLine Power Telecommunication - Manual (Page 35)

OnLine Power
3-5
REV A
3-7 POWER BACKUP CABINET TO POLE GROUNDING
• Install the ground jumper and ground cables at external ground pad as shown in Illustration 3-2 and
Table 3-1 Ground Kit.
TABLE 3-1
Part of List 35 or 36 (see Appendix B)
POLE MOUNTING CABINET GROUND KIT
ITEM DESCRIPTION QTY OLP P/N
1 Compression Connector, 6 AWG, 2 Hole Lug 2 1200-182
2 M6 x 16 mm, Screw, Hex Head, S.S. 4 1800-300
3 M6, Washer, Split, S.S. 4 1825-085
4 M6, Washer, Flat, S.S. 4 1825-084
5 6 AWG, Wire Stranding, Green, Grounding by 26 inches 2 4000-090
6 2 AWG, Wire Strand, Green, Grounding Bus, reference only Contractor
Supplied x Contractor
Supplied
7 C-Tap, 12-1/0 AWG Burndy 2 1200-171
• Inspect the ground jumper and ground cable connections for good crimp.
• Inspect the ground connection in both rear corners of the cabinet to the lower left, rear corner of the
door at the hinge side.
• Inspect the M 6 hex head screws for torque of 7.7 ( N 2 m ) compression lugs on lower rear
corners.
• Tighten all bolts to a torque of 7.7 ( N 2 m ). Apply one drop of Torque-Seal to each bolt.
3-8 POWER BACKUP CABINET GROUNDING TEST
• Grounding Test requires a Digital Multimeter similar to a Fluke model 87 True rms. MULTIMETER,
• With a MULTI-METER check the resistance between the ground pole cable to the grounding of the
cabinet door, the reading shall be less than 0.01 ohms.
• With a MULTI-METER check the resistance between the ground pole cable to the TB1-3, the
reading shall be less than 0.01 ohms.
CAUTION
Make sure ALL POWER to PBC-II is Tagged Out & LOCK “OFF” Before working on the
Power Backup Cabinet Electrical System.