Minnesota Department of Transportation (MnDOT) · 2025 Standard Specifications for Construction
Section 3818 — Grounding Electrodes
Minnesota 2025 Standard Specifications for Construction, Section 3818. Full text, cross-references and related pay items on BuildSpec.
3818 GROUNDING ELECTRODES 3818.1 SCOPE Provide grounding rod and plate electrodes to establish direct contact with the earth for the grounding electrode system, supplemental grounding, and auxiliary grounding on lighting systems, traffic signal systems, other electrical systems, and metal bridge railing. 3818.2 REQUIREMENTS A Ground Rod Electrodes Provide ground rod electrodes meeting the following: (1) Listed and labeled by an NRTL in accordance with UL 467, “Grounding and Bonding Equipment” (2) Meeting the requirements of ANSI/NEMA GR-1, “Grounding Rod Electrodes and Grounding Rod Electrode…
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