Section 510-RICR-00-00-4.5 - Chapter 5504.8.5 Length Identifications The maximum length of dryer duct may exceed thirty-five feet (35') when a permanent placard, measuring a minimum five inches (5") wide, three inches (3") high, and one eighth of one inch (1/8") thick, and constructed of either wood, metal, or rigid plastic, and bearing raised or embossed lettering stating the following: "WARNING: THE EFFECTIVE LENGTH OF THIS DRYER DUCT IS xxx FEET. ANY DRYER CONNECTED TO THIS EXHAUST DUCT MUST BE RATED TO USE AN EXHAUST DUCT OF THIS LENGTH, PER THE MANUFACTURERS SPECIFICATIONS; SEVERE RISK OF FIRE MAY RESULT FOR NONCOMPLIANCE WITH THIS NOTICE." The provisions of table 504.6.4.1 shall be used in establishing the effective length of the ductwork installed and noted on the placard. The placard shall be permanently attached to the wall or floor within six inches (6") of the terminus of the duct.
510 R.I. Code R. 510-RICR-00-00-4.5
Amended effective8/1/2019
Amended effective 2/1/2022