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Wet floor sign with warnings in both English and Spanish

A wet floor sign is used to warn people about wet floors and to prevent them from slipping and falling.[1][2] Businesses often place such warnings to avoid negligence charges brought by people on their property. In many countries, if an injury results from a wet floor, the owner of the premises may be found liable for compensatory damages. Many lawyers specialize in such tort lawsuits. Sometimes wet floor signs are not enough.[3] Effectiveness in modifying behavior has been shown to be enhanced when a wet floor warning is also presented aurally every 10 seconds by a tape player.[4] Robotic cleaning equipment can use wet floor signs to know when its job is finished via sonar.[5]

See alsoEdit



  1. ^ Steven Di Pilla. Slip and Fall Prevention: A Practical Handbook. CRC Press. ISBN 1-56670-659-9. 
  2. ^ "Patent US7013590 - Floor sign - Google Patents". Retrieved 2013-07-06. 
  3. ^ RJ Kendzior (2002), When 'wet floor' signs aren't enough, Occupational Health & Safety 
  4. ^ MS Wogalter, SL Young (1991), Behavioural compliance to voice and print warnings (PDF), Ergonomics 
  5. ^ Larson, Jan (1998). "RoboKent - a case study in man-machine interfaces". Industrial Robot: An International Journal. 25 (2): 95–100. doi:10.1108/01439919810204577. ISSN 0143-991X. Retrieved 2013-03-03.