UFC 3-535-01
17 November 2005
Table 14-7. Checklist for Underground Cable and Duct
Progress Inspection
____ 1. Is underground cable the correct type (L-824 Type C for series lighting circuits), and
correct size?
[Cable should be marked to show manufacturer or trade mark or catalog number,
conductor size, voltage rating, and type.]
____ 2. Are conduit and fittings products as required by plans and specifications and
applicable standards?
[Size, type, compliance with applicable standards such as UL or Federal
Specifications.]
____ 3. Are ends of cable taped when cable is on reels, beside the trench or duct bank, in a
light base, manhole or handhole, while awaiting connection to an isolation
____ 4. Are the L-823 connectors of proper size and do they properly fit the cable?
____ 5. Has taping/heat shrink for field attached connectors been applied properly, per
details?
____ 6. Is cable installed without kinks or sharp bends, and without splices in the ducts
between light bases or manholes/handholes?
____ 7. Is trenching done using proper equipment? [Road patrols and graders are not to be
used for trenching.]
____ 8. Is the counterpoise wire installed as specified and securely attached to ground
rods?
[Counterpoise should not be connected to light bases or grounding provisions for
manholes and handholes.]
____ 9. Do ground rods meet specified requirements and are they installed at required
locations?
____ 10. Is the depth, elevation, and slope of underground duct in accordance with plans and
specifications, and are the size and number of ducts correct?
____ 11. Are ducts being cleaned properly?
____ 12. Is pull wire being installed in all ducts, with sufficient length in handholes and
manholes?
____ 13. Are the ends of spare ducts being plugged in manholes, handholes, and boxes at
building entrances? Are stubouts being capped?
____ 14. Is sufficient cable slack installed at each light and handhole?
Final Inspection
____ 1.
Does the new underground cable, where connected into the existing lighting circuit,
meet the minimum insulation resistance requirements?
____ 2.
Are high voltage and low voltage cables properly separated in handholes and
manholes, and in separate duct, in accordance with the plans and specifications?
____ 3.
Are the cables identified in all handholes, manholes and wireways?
____ 4.
Are cables in manholes mounted on non-metallic racks and properly secured? Are
cables neatly organized and secured in handholes if racks are not used?
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