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Earlier editions: 20222019

Index

Index — J

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

– J –

JOINTS AND

CONNECTIONS . . . . . . . . . . . . . . . .315.0, 605.0, 705.0,

1208.5.10 – 1208.5.12.5,

1320.0

ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .705.1

Asbestos cement pipe . . . . . . . . . . . . .Table 510.1.2(5), Table 510.2(5)

Brazed joint . . . . . . . . . . .212.0, 605.1.1, 609.3, 705.3.1,

705.10.1, 705.10.2, 1208.5.10.1,

1208.5.10.2, 1309.4, 1321.1

Cast-iron piping . . . . . . . . . . . . . . . . . . . . .604.6, 701.2,

705.2, 705.10.1

Caulked joint . . . . . . . . . . . . . . . . . . . . . . . . . . . .705.2.1 Compression joint . . . . . . .605.6.2, 605.7.1, 605.10.1.1,

605.11.2, 705.2.2, 1208.5.10.3

Copper or copper

alloy pipe or tubing . . . . . . . . . . . . . . . .605.1, 705.3,

705.10.1, 705.10.2

CPVC piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . .605.2 CPVC-AL-CPVC piping or tubing . . . . . . . . . . . . .605.3 Ductile iron piping . . . . . . . . . . . . . . . . . . . . . . . . .605.4

Expansion joint . . . . . . . . . . . .705.9.2, 1101.5, 1213.2.2

Flared . . . . . . . . . . . . . . . . . . . . . . . .605.1.2, 1208.5.9.4

Galvanized steel pipe . . . . . . . . . . . . . . . . .605.5, 705.4 Ground joints . . . . . . . . . . . . . . . . . . . . . . . . . . .705.9.3 Heat-fusion joints . . . . . . . . . . . . . . . . . .212.0, 605.6.1,

605.11.1, 1208.5.10.2

Lead content . . . . . . . . . . . . . . . . . . . . . . . . . . . . .604.2

Mechanical joints . . . . . . . . . .605.1.3, 605.2.1, 605.4.1,

605.5.1, 605.6.2, 605.8.1,

605.9.2, 605.10.1, 605.11.2,

605.12.1, 605.13.1, 605.16.3,

705.1.1, 705.2.2, 705.3.2,

705.4.1, 705.6.1, 705.7.1,

705.8.1, 705.10.4, 1208.5.10.3

PE pipe or tubing . . . . . . . . . . . . . . . . . .605.6, 1208.5.4 PE-AL-PE pipe or tubing . . . . . . . . . . . . . . . . . . . .605.7 PE-RT tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .605.8

PEX tubing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .605.9 PEX-AL-PEX pipe or tubing . . . . . . . . . . . . . . . . .605.10 Plastic piping, joints, and fittings . . . . .605.2 – 605.3.2.1,

605.6 – 605.12.3,

705.1.1 – 705.1.3,

705.5 – 705.5.1.3,

705.6 – 705.6.3,

705.10.3, 1208.5.10,

1210.1.7.1

PP piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .605.11 Prohibited fittings and practices . . . . . . . . . . . . . . . .310.0, 315.2, 604.2,

1321.8.4, 1321.12.3, 1322.7 PVC piping . . . . . . . . . . . . . . . . .605.12, 705.6, 705.9.4 Screwed joint . . . . . . . . . . . . . . . . . . . . . .310.8, 701.3.1 Slip joint . . . . . . . . . . . . . . . . . . . . . . . . . .221.0, 402.10,

605.14, 705.9.1, 1003.2 Soldered joint . . . . . . . .212.0, 605.1.4, 705.3.3, A 107.3 Solvent cement plastic pipe . . . . . . . . .605.2.2, 605.3.1,

605.12.2, 705.1.2,

705.6.2, 705.9.4 Stainless steel pipe . . . . . . . . . . . . . . .605.13, 605.16.3,

705.7, 705.10.4

Threaded joint . . . . . . . . . . . .605.1.5, 605.2.3, 605.5.2,

605.11.3, 605.12.3, 605.16.1,

705.1.3, 705.3.4, 705.4.2, 705.6.3,

705.10.2, 1208.5.8, 1208.5.9.1,

1208.5.9.5, 1322.5, A 107.3

Tightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105.3 Transition joint . . . . . . . . . . . . . . . . . . . . . . . . . .705.9.4 Various materials . . . . . . . . .605.16, 705.10, 1210.1.3.8

Vitrified clay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .705.8 Welded joint . . . . . . . . . . . . . .212.0, 605.13.2, 705.7.2, 1208.5.9.1, 1322.1, F 1101.2

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