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// CODE SNIPPET

E3608.1.1 Metal Underground Water Pipe

2014 FBC - Residential, 5th edition > 36 Services > E3608 Grounding Electrode System > E3608.1 Grounding Electrode System > E3608.1.1 Metal Underground Water Pipe
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A metal underground water pipe that is in direct contact with the earth for 10 feet (3048 mm) or more, including any well casing effectively bonded to the pipe and that is electrically continuous, or made electrically continuous by bonding around insulating joints or insulating pipe to the points of connection of the grounding electrode conductor and the bonding conductors, shall be considered as a grounding electrode (see Section E3608.1). Interior metal water piping located more than 5 feet (1524 mm) from the entrance to the building shall not be used as part of the grounding electrode system or as a conductor to interconnect electrodes that are part of the grounding electrode system.

E3608.1.1.1 Interior metal water piping.
Interior metal water piping located more than 5 feet (1524 mm) from the entrance to the building shall not be used as a conductor to interconnect electrodes that are part of the grounding electrode system. E3608.1.1.2 Installation.
Continuity of the grounding path or the bonding connection to interior piping shall not rely on water meters, filtering devices and similar equipment. A metal underground water pipe shall be supplemented by an additional electrode of a type specified in Sections E3608.1.2 through E3608.1.6. The supplemental electrode shall be bonded to the grounding electrode conductor, the grounded service-entrance conductor, a nonflexible grounded service raceway, any grounded service enclosure or to the equipment grounding conductor provided in accordance with Section E3607.3.1. Where the supplemental electrode is a rod, pipe or plate electrode in accordance with Section E3608.1.4 or E3608.1.5, it shall comply with Section E3608.4.
Where the supplemental electrode is a rod, pipe or plate electrode in accordance with Section E3608.1.4 or E3608.1.5, that portion of the bonding jumper that is the sole connection to the supplemental grounding electrode shall not be required to be larger than 6 AWG copper or 4 AWG aluminum wire.

Related Code Sections


E3608.1.1 Services, Metal Underground Water Pipe
A metal underground water pipe that is in direct contact with the earth for 10 feet (3048 mm) or more, including any well casing effectively bonded ...
2014 FBC - Residential, 5th edition > 36 Services > E3608 Grounding Electrode System > E3608.1 Grounding Electrode System > E3608.1.1 Metal Underground Water Pipe
E3608.1.1 Services, Metal Underground Water Pipe
A metal underground water pipe that is in direct contact with the earth for 10 feet (3048 mm) or more, including any well casing effectively bonded ...
2017 FBC - Residential, 6th edition > 36 Services > E3608 Grounding Electrode System > E3608.1 Grounding Electrode System > E3608.1.1 Metal Underground Water Pipe
Section E3608 Services, Grounding Electrode System
) A metal underground water pipe that is in direct contact with the earth for 10 feet (3048 mm) or more, including any well casing ...
2017 FBC - Residential, 6th edition > 36 Services > E3608 Grounding Electrode System
403.4 Gas Piping Installations, Metallic Pipe
by such liquids as water, detergents or sewage. Aluminum-alloy pipe shall not be used in exterior locations or underground ...
2017 FBC - Fuel Gas, 6th edition > 4 Gas Piping Installations > 403 (IFGS) Piping Materials > 403.4 Metallic Pipe
403.4 Gas Piping Installations, Metallic Pipe
Metallic pipe shall comply with Sections 403.4.1 through 403.4.4 ...
2014 FBC - Fuel Gas, 5th edition > 4 Gas Piping Installations > 403 (IFGS) Piping Materials > 403.4 Metallic Pipe
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