Index — N
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-23 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Plumbing Code (Title 24, Part 5) · Effective January 1, 2026 · Official source: Building Standards Commission
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NATURAL GAS, SPECIFIC GRAVITY . . . . . . . . . . . .1214.1
NITROGEN NF, DEFINITION . . . . . . . . . . . . . . . . . . . .216.0
NONCOMBUSTIBLE PIPING INSTALLATIONS . . . .1405.0
NONPOTABLE WATER
Alternate water source . . . . . . . . . . . . . . . . .Chapter 15
Disinfection . . . . . . . . . . . . . . . . . . . . . . . . . . .1506.10.6
Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .601.3
Rainwater catchment system . . . . . . . . . . . .Chapter 16 Unlawful connections to . . . . . . . . . . .603.5.11, E 502.3
NONWATER SUPPLIED URINAL,
DEFINITION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216.0
NONWATER URINALS
Drain cleansing action . . . . . . . . . . . . . 412.1.4, 412.1.4.1 Requirements . . . . . . . . . . . . . . . . . . . 412.1.3, L 402.3.1 NUISANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . .102.5, 216.0
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