UL 283 PDF

1 Scope

1.1 These requirements cover household and commercial air fresheners and deodorizers, rated 250 volts or less for use in ordinary locations in accordance with the National Electrical Code, NFPA 70.

1.2 These requirements cover air fresheners and deodorizers for deodorizing or scenting air, or both, by the dispersal of chemicals, fragrances, or both. Air fresheners and deodorizers employing heating elements, electronic circuits, motor-operated fans (or a combination thereof), and mechanical filters are also covered by these requirements.

1.3 These requirements are intended to evaluate these appliances with respect to the risk of fire, electric shock, injury to persons, and explosiveness of atmosphere. The physiological effects of the operation of these appliances, beneficial or otherwise, are not covered by this Standard. The assigned ratings do not cover other potential risks, including the physiological effects of these appliances, in any form, nor do they indicate the efficiency or effectiveness of the intended uses of these appliances.

1.4 These requirements do not cover insect-repellent dispensers, air sterilizing appliances, air cleaning products, air filters, room ionizers, smoke scrubbers, or ultraviolet filters.

1.5 These requirements do not cover permanently connected appliances.

1.6 These requirements do not cover direct plug-in appliances with open reservoirs for the addition of either a liquid or a substance that when heated becomes a liquid.

1.7 Direct plug-in air fresheners and deodorizers provided with illumination shall be additionally evaluated to the Standard for Direct Plug-In Nightlights, UL 1786.

1.8 Electric toys are covered by the Standard for Electric Toys, UL 696.

1.9 Electric toy transformers are covered by the Standard for Toy Transformers, UL 697.

Summary of Topics

This new Fourth edition of ANSI/UL 283 dated March 20, 2025 incorporates editorial changes including renumbering and reformatting to align with current style, including the following changes in requirements:

– Addition of Annex A Requirements for Remote and Automatic Delayed Operation

– Addition of Requirements for Universal Serial Bus (USB) and Automotive Adapter Powered Appliances; 7.2.4, 7.2.5, 11.3, 11.4, 35.1 – 35.3, 71.3, 71.4, 72.1.12, 73.17

– Addition of Requirements for Button Batteries or Coin Cell Batteries; 6.3.7

– Revisions to Clarify Requirements and Reflect Standards Writing Conventions in Preparation for a New Edition; 1.1, 1.5, Section 3, 4.5, 4.8, 4.9, 4.11, 4.15, 4.18, 4.24, 4.26, 4.28, 4.33, 4.34, 5.2, 6.1.1, 6.1.3, 6.2.1 – 6.2.8, 6.3.1 – 6.3.6, 6.4.1, 6.4.2, 6.5.1.1 – 6.5.1.7, 6.5.2.1, 6.5.3.1, 6.5.4.1, 6.5.5.1, 6.5.6.1, 6.5.7.1, 6.6.1 – 6.6.3, 6.7.2, 6.8.1, 6.9.1, 6.9.2, 6.10.2, 6.10.3, 6.11.1 – 6.11.3, 6.12.1, 6.13.1.1 – 6.13.1.5, 6.13.2.1, 6.13.3.2, Table 6.1, 6.13.3.3, 6.13.4.1 – 6.13.4.4, 6.14.1 – 6.14.6, 6.15.1, 6.15.2, 6.16.1, 6.16.2, 6.17.1, 6.18.1 – 6.18.4, 6.18.7, 6.19.1 – 6.19.3, 6.20.1 – 6.20.4, 6.21.1, 6.22.1, 6.22.2, 7.1.4, 7.1.5, 7.1.7, Figure 7.1, 7.1.12, 7.1.14 – 7.1.16, 7.2.3, 7.2.4, 7.2.6, 7.2.7, 8.2, 10.1, Figure 10.1, Table 10.1, 10.2, Figure 10.2 – Figure 10.4, Table 11.1, Figure 11.1, Table 11.2, Table 11.3, Figure 11.2, 11.2.1.2, Figure 11.3 – Figure 11.5, Figure 11.6, 12.2, 13.1, 14.1.3, 14.2.5, 17.1.1, 17.1.4, 18.3, 18.4, 20.3.2 – 20.3.4, Table 20.1, Table 20.2, 20.3.10, Table 20.3, 21.2, 22.1, 24.1.1, 24.2.2, 24.3.1, 24.3.2, Table 24.1 – Table 24.3, 24.4.1 – 24.4.4, 24.5.1, Table 25.1, 25.3 – 25.5, 25.8, 26.1, 27.3, 28.1 – 28.3, 29.1, 30.2.1 – 30.2.4, 30.3.1, 30.4.1, Table 30.1, 30.4.4, 30.5.1, 30.6.1, 30.6.2, 31.1, 32.1, 32.2, 33.3 – Table 33.1, 34.2.1, 34.2.2, 34.3.2, 34.3.4, 34.3.5, 34.3.7, Figure 34.1, 34.3.13, 34.4.1, Table 35.1, 36.1, 36.3, 36.5, Figure 36.1, Figure 36.2, 36.7, Table 37.1, 38.2, Table 40.1, 40.1.3, 40.1.5, 40.1.9, 40.2.1, Table 40.2, 41.1, 41.2, 42.1, 43.1, 44.1, 44.2, 44.5, 46.3, 47.1, 47.3, 47.4, 48.3, 48.11, 48.16, 50.1, 50.2, Table 50.1, 51.4, 52.1, 53.1.1, Figure 53.1, Figure 53.2, 54.1, 55.1, 56.2, 56.4, 57.1, 60.2, Figure 60.1, 61.1.1, 61.1.2, Table 61.1, 61.2.2, Figure 61.1 – Figure 61.3, 61.3.3, 61.4.1, 61.5.2, 61.5.3, 62.3, Table 62.1, 65.1, 65.2, 66.4, 67.1 – 67.3, Section 68 (title), 68.1.1, 68.2.1, 68.2.3, 68.3.1, 68.4.1, Figure 68.1, Table 69.1, 71.1, 72.1.1, 72.1.2, 72.1.6, 72.1.10, 72.2.2, 73.1, 73.3 – 73.5, 73.7, 73.8, Figure 73.1, Figure 73.2, 73.10, 73.11, 73.13, 73.15