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Chapter 2 — DEFINITIONS

California Plumbing Code (Title 24, Part 5) · 2019 edition · updated 2026-09-10 · California

Italicized text is a California amendment to the model code, as printed in the official publication.

(Matrix Adoption Tables are non-regulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

Adopting Agency BSC BSC-
CG		 SFM HCD DSA OSHPD BSCC DPH AGR DWR CEC CA SL SLC
Adopting Agency
 **BSC ** BSC-
CG		 SFM
 1 2 1-AC **AC ** SS SS/CC 1 1R 2 3 4 5 5 5 5 5 5 5 5 5
Adopt Entire Chapter

 X

Adopt Entire Chapter as
amended (amended sections
listed below)

 X **X ** X X X X X **X ** **X ** X

Adopt only those sections
that are listed below
 X X X

Chapter/Section
203.0
 **X **
 X
 X X
204.0
**X **
X
205.0
 X
 X
X
X
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206.0
 X
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207.0
 X X
**X **
X		 X
208.0
X
209.0
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210.0
 **X ** **X ** **X ** **X ** **X ** X
211.0
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214.0
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215.0
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X
216.0
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217.0
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X
220.0
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221.0
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222.0
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**X **
**X **
**X **
**X **
**X **
X
223.0
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225.0



X

The Office of the State Fire Marshal’s adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.0.

2019 CALIFORNIA PLUMBING CODE 29

30 2019 CALIFORNIA PLUMBING CODE

CHAPTER 2

DEFINITIONS

201.0 General.201.1 Applicability.

For the purpose of this code, the following terms have the meanings indicated in this chapter.

No attempt is made to define ordinary words, which are used in accordance with their established dictionary meanings, except where a word has been used loosely, and it is necessary to define its meaning as used in this code to avoid misunderstanding.

226.0 No definitions. – X –

227.0Yoke Vent. A pipe connecting upward from soil or waste – Y – stack to a vent stack to prevent pressure changes in the stacks.

228.0 No definitions. – Z –

44 2019 CALIFORNIA PLUMBING CODE

CALIFORNIA PLUMBING CODE – MATRIX ADOPTION TABLE

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▸Contents — California Plumbing Code (Title 24, Part 5)
California Plumbing Code (Title 24, Part 5)
  1. Chapter 1 — GENERAL CODE PROVISIONS
  2. ▸Chapter 2 — DEFINITIONS
    Overview
    1. 202.0 Definition of Terms.202.1 General. The definitions of te…
    2. 213.0 No definitions. – K –
  3. Chapter 3 — GENERAL REGULATIONS
  4. Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
  5. Chapter 5 — WATER HEATERS
  6. Chapter 6 — WATER SUPPLY AND DISTRIBUTION
  7. Chapter 7 — SANITARY DRAINAGE
  8. Chapter 8 — INDIRECT WASTES
  9. Chapter 9 — VENTS
  10. Chapter 10 — TRAPS AND INTERCEPTORS
  11. Chapter 11 — STORM DRAINAGE
  12. Chapter 12 — FUEL GAS PIPING
  13. Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICA…
  14. Chapter 14 — FIRESTOP PROTECTION
  15. Chapter 15 — ALTERNATE WATER SOURCES FOR NONPOTABLE APPLICATIONS
  16. Chapter 16 — NONPOTABLE RAINWATER CATCHMENT SYSTEMS
  17. Chapter 17 — REFERENCED STANDARDS
  18. Appendix A — RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYS…
  19. Appendix B — EXPLANATORY NOTES ON COMBINATION WASTE AND VENT S…
  20. Appendix C — ALTERNATE PLUMBING SYSTEMS
  21. Appendix D — SIZING STORM WATER DRAINAGE SYSTEMS
  22. Appendix E — MANUFACTURED/MOBILE HOME PARKS AND RECREATIONAL V…
  23. Appendix F — FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS
  24. Appendix G — SIZING OF VENTING SYSTEMS
  25. Appendix H — PRIVATE SEWAGE DISPOSAL SYSTEMS
  26. Appendix I — INSTALLATION STANDARD FOR PEX TUBING SYSTEMS FOR …
  27. Appendix J — COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND …
  28. Appendix K — POTABLE RAINWATER CATCHMENT SYSTEMS
  29. Appendix L — SUSTAINABLE PRACTICES
  30. Appendix M — PEAK WATER DEMAND CALCULATOR

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