555.35 Marina GFCI and GFPE
What changed in 555.35
Ground-fault rules now cover piers, add alarm monitoring for fire pumps, and require GFPE coordination and performance testing.
Point by point
- Ground-fault rules now cover piers, not just docking facilities.
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- 4 more points on exactly what changed
- The 2023 rule next to the 2026 rule, side by side
- Why it changed
- What to do and check on the job
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This section across NEC® editions
2020 NEC®Revised
Shore power receptacles each need their own 30 mA GFPE, dock feeders and branch circuits need 100 mA GFPE, and marinas with four or more shore power receptacles must keep and use a leakage tester.
Open the 2020 page →2023 NEC®Revised
Dock GFPE and GFCI rules were reorganized and widened, boat hoist GFCI moved in, and leakage current measuring devices must be listed starting January 1, 2026.
Open the 2023 page →2026 NEC®RevisedYou're here
Ground-fault rules now cover piers, add alarm monitoring for fire pumps, and require GFPE coordination and performance testing.
More 2026 changes in Article 555
This is a plain-English summary, not the NEC®'s exact wording. Always check the full section in the NEC® edition your area has adopted, plus any local amendments.
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