Cal. Code Reg. §3120B.16 Turn on before entering.

California Code of Regulations (Cal. Code Regs.): Title 24 – California Building Standards Code  >   Cal. Code Reg. §3120B.16 Turn on before entering.
Where automatic gaseous chemical feeders are used, a sign shall be posted at the switch to the light and ventilation system for the gaseous chemical feeder room stating, “TURN ON BEFORE ENTERING,” or as otherwise required by the California Fire Code or the California Electrical Code.

Cal. Code Reg. §3120B.14 Exit.

California Code of Regulations (Cal. Code Regs.): Title 24 – California Building Standards Code  >   Cal. Code Reg. §3120B.14 Exit.
Where automatic gaseous chlorine chemical feeders are used, a sign shall be posted at the pool area entrance which shows in a diagrammatic form an emergency evacuation procedure. Designated emergency exits shall be marked “EXIT.”

Cal. Code Reg. §3120B.9 No use after dark.

California Code of Regulations (Cal. Code Regs.): Title 24 – California Building Standards Code  >   Cal. Code Reg. §3120B.9 No use after dark.
Where pools were constructed for which lighting was not required, a sign shall be posted at each pool entrance on the outside of the gate(s) stating, “NO USE OF POOL ALLOWED AFTER DARK.”

Cal. Code Reg. §3120B.3 No diving sign.

California Code of Regulations (Cal. Code Regs.): Title 24 – California Building Standards Code  >   Cal. Code Reg. §3120B.3 No diving sign.
Signs shall be posted in conspicuous places and shall state, “NO DIVING” at pools with a maximum water depth of 6 feet or less.

Cal. Code Reg. §3120B.8 Emergency shut off.

California Code of Regulations (Cal. Code Regs.): Title 24 – California Building Standards Code  >   Cal. Code Reg. §3120B.8 Emergency shut off.
In letters at least one inch (25 mm) high a sign shall be posted at the spa emergency shut off switch stating, “EMERGENCY SHUT OFF SWITCH.”

Cal. Code Reg. §3120B.7 Warning Sign for a Spa Pool

California Code of Regulations (Cal. Code Regs.): Title 24 – California Building Standards Code  >   Cal. Code Reg. §3120B.7 Warning Sign for a Spa Pool

A warning sign for spa pools shall be posted stating, “CAUTION” and shall include the following language in letters at least 1 inch (25 mm) high:

(1)  Elderly persons, pregnant women, infants and those with health conditions requiring medical care should consult with a physician before entering the spa.

(2)  Children should not use spa without adult supervision.

(3)  Hot water immersion while under the influence of alcohol, narcotics, drugs or medicines may lead to serious consequences and is not recommended.

(4)  Do not use alone.

(5)  Long exposure may result in hyperthermia, nausea, dizziness or fainting. [2019]

Cal. Code Reg. §3120B.5 Artificial respiration and cardiopulmonary resuscitation sign.

California Code of Regulations (Cal. Code Regs.): Title 24 – California Building Standards Code  >   Cal. Code Reg. §3120B.5 Artificial cardiopulmonary resuscitation sign.

An illustrated diagram with text at least 1/4 inch (6 mm) high of artificial respiration and cardiopulmonary resuscitation procedures shall be posted.

Cal. Code Regs. §3120B.1 General.

California Code of Regulations (Cal. Code Regs.): Title 24 – California Building Standards Code  >   Cal. Code Regs. §3120B.1 General.

All signs shall have clearly legible letters or numbers not less than 4 inches (102 mm) high, unless otherwise required in this section, affixed to a wall, pole, gate or similar permanent structure in a location visible to all pool users.

Welf. & Inst. Code § 9105.1. Home Modification for Seniors and Persons with Disabilities

Veh. Code § 9105.1. Home Modification for Seniors and Persons with Disabilities

 The department, in partnership with the area agencies on aging, the Department of Rehabilitation, any independent living centers, any contractor selected to implement the federal Assistive Technology Act of 1998 (Public Law 105-394), and any organization that serves seniors and persons with disabilities, may develop and provide consumer advice regarding home modification for seniors and persons with disabilities. [2002]
(Public Swimming Pools)
Title 22 -Environmental Health

U.S. Code §1403. Definitions (Pool and Spa Safety Act).

Cal. Code Reg. §1403. Definitions (Pool and Spa Safety Act).

# In this title:
  (1) ASME/ANSI.–The term “ASME/ANSI” as applied to a safety standard means such a standard that is accredited by the American National Standards Institute and published by the American Society of Mechanical Engineers.
  (2) Barrier.–The term “barrier” includes a natural or constructed topographical feature that prevents unpermitted access by children to a swimming pool, and, with respect to a hot tub, a lockable cover.
  (3) Commission.–The term “Commission” means the Consumer Product Safety Commission.
  (4) Main Drain.–The term “main drain” means a submerged suction outlet typically located at the bottom of a pool or spa to conduct water to a recirculating pump.
  (5) Safety Vacuum Release System.–The term “safety vacuum release system” means a vacuum release system capable of providing vacuum release at a suction outlet caused by a high vacuum occurrence due to a suction outlet flow blockage.
  (6) Swimming Pool; Spa.–The term “swimming pool” or “spa” means any outdoor or indoor structure intended for swimming or recreational bathing, including in-ground and aboveground structures, and includes hot tubs, spas, portable spas, and non-portable wading pools.
  (7) Unblockable Drain.–The term “unblockable drain” means a drain of any size and shape that a human body cannot sufficiently block to create a suction entrapment hazard.