Page 578 - 2018_IRC

FUEL GAS

SECTION G2411 (310) and includes the design, materials, components, fabrication,
ELECTRICAL BONDING assembly, installation, testing, inspection, operation and
G2411.1 (310.1) Pipe and tubing other than CSST. Each maintenance of such piping systems.
above-ground portion of a gas piping system other than corru- G2412.1.1 (401.1.1) Utility piping systems located
gated stainless steel tubing (CSST) that is likely to become within buildings. Utility service piping located within
energized shall be electrically continuous and bonded to an buildings shall be installed in accordance with the struc-
effective ground-fault current path. Gas piping other than tural safety and fire protection provisions of this code.
CSST shall be considered to be bonded where it is connected
to an appliance that is connected to the equipment grounding G2412.2 (401.2) Liquefied petroleum gas storage. The
conductor of the circuit that supplies that appliance. storage system for liquefied petroleum gas shall be designed
and installed in accordance with the International Fire Code
G2411.2 (310.2) CSST. This section applies to corrugated and NFPA 58.
stainless steel tubing (CSST) that is not listed with an arc-
resistant jacket or coating system in accordance with ANSI G2412.3 (401.3) Modifications to existing systems. In mod-
LC1/CSA 6.26. CSST gas piping systems and piping systems ifying or adding to existing piping systems, sizes shall be
containing one or more segments of CSST shall be electri- maintained in accordance with this chapter.
cally continuous and bonded to the electrical service ground- G2412.4 (401.4) Additional appliances. Where an addi-
ing electrode system or, where provided, the lightning tional appliance is to be served, the existing piping shall be
protection grounding electrode system. checked to determine if it has adequate capacity for all appli-
G2411.2.1 (310.2.1) Point of connection. The boding ances served. If inadequate, the existing system shall be
jumper shall connect to a metallic pipe, pipe fitting or enlarged as required or separate piping of adequate capacity
CSST fitting. shall be provided.
G2411.2.2 (310.2.2) Size and material of jumper. The G2412.5 (401.5) Identification. For other than steel pipe,
bonding jumper shall be not smaller than 6 AWG copper exposed piping shall be identified by a yellow label marked
wire or equivalent. “Gas” in black letters. The marking shall be spaced at inter-
vals not exceeding 5 feet (1524 mm). The marking shall not
G2411.2.3 (310.2.3) Bonding jumper length. The length
of the bonding jumper between the connection to a gas be required on pipe located in the same room as the appliance
served.
piping system and the connection to a grounding electrode
system shall not exceed 75 feet (22 860 mm). Any addi- G2412.6 (401.6) Interconnections. Where two or more
tional grounding electrodes installed to meet this require- meters are installed on the same premises but supply separate
ment shall be bonded to the electrical service grounding consumers, the piping systems shall not be interconnected on
electrode system or, where provided, the lightning protec- the outlet side of the meters.
tion grounding electrode system.
G2412.7 (401.7) Piping meter identification. Piping from
G2411.2.4 (310.2.4) Bonding connections. Bonding con- multiple meter installations shall be marked with an approved
nections shall be in accordance with NFPA 70. permanent identification by the installer so that the piping
G2411.2.5 (310.2.5) Connection devices. Devices used system supplied by each meter is readily identifiable.
for making the bonding connections shall be listed for the G2412.8 (401.8) Minimum sizes. Pipe utilized for the instal-
application in accordance with UL 467. lation, extension and alteration of any piping system shall be
G2411.3 (310.3) Arc-resistant CSST. This section applies to sized to supply the full number of outlets for the intended
corrugated stainless steel tubing (CSST) that is listed with an purpose and shall be sized in accordance with Section G2413.
arc-resistant jacket or coating system in accordance with G2412.9 (401.9) Identification. Each length of pipe and tub-
ANSI LC1/CSA 6.26. The CSST shall be electrically contin- ing and each pipe fitting, utilized in a fuel gas system, shall
uous and bonded to an effective ground fault current path. bear the identification of the manufacturer.
Where any CSST component of a piping system does not
have an arc-resistant jacket or coating system, the bonding Exceptions:
requirements of Section G2411.2 shall apply. Arc-resistant- 1. Steel pipe sections that are 2 feet (610 mm) and less
jacketed CSST shall be considered to be bonded where it is in length and are cut from longer sections of pipe.
connected to an appliance that is connected to the appliance
grounding conductor of the circuit that supplies that appli- 2. Steel pipe fittings 2 inches and less in size.
ance. 3. Where identification is provided on the product
packaging or crating.
SECTION G2412 (401) 4. Where other approved documentation is provided.
GENERAL G2412.10 (401.10) Piping materials standards. Piping, tub-
G2412.1 (401.1) Scope. This section shall govern the design, ing and fittings shall be manufactured to the applicable refer-
installation, modification and maintenance of piping systems. enced standards, specifications and performance criteria
The applicability of this code to piping systems extends from listed in Section G2414 and shall be identified in accordance
the point of delivery to the connections with the appliances with Section G2412.9.

2018 INTERNATIONAL RESIDENTIAL CODE ® 553
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