Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 1088 — WIREWAY AND CONDUIT SYSTEM
Illinois Standard Specifications for Road and Bridge Construction, Section 1088. Full text, cross-references and related pay items on BuildSpec.
Wireway and Conduit System Art. 1088.01 1067 SECTION 1087. GROUNDING 1087.01 Grounding Materials. (a) Grounding Electrode Conductors. Grounding electrode conductors shall be solid, soft drawn 1/C No. 6 copper and shall be installed according to NEC requirements. (b) Grounding Electrodes. Grounding electrodes shall be copper-clad steel with a minimum copper thickness of 10 mils (0.3 mm) and shall be according to UL 467. Grounding electrodes shall be one piece, sectional (threaded) steel rods not less than 5/8 in. (16 mm) in diameter and 10 ft (3 m) long. (c) Access Wells. Grounding electrode…
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