1025.4 Self-luminous and photoluminescent.

Luminous egress path markings shall be permitted to be made of any material, including paint, provided that an electrical charge is not required to maintain the required luminance. Such materials shall include, but not be limited to, self-luminous materials and photoluminescent materials. Materials shall comply with either of the following standards:

   1.   UL 1994.

   2.   ASTM E 2072, except that the charging source shall be 1 footcandle (11 lux) of fluorescent illumination for 60 minutes, and the minimum luminance shall be 30 millicandelas per square meter at 10 minutes and 5 millicandelas per square meter after 90 minutes.

1025.4.1 Labeling.

All approved materials shall be labeled and identified with the manufacturer's name, model number and the name of the approved agency in a minimum of 6 point type with at least one such identification on each piece of material installed. However, labeling is not required for pieces of material less than 1 foot (304.8 mm) in length that are placed in immediate proximity of an identical model that is labeled. Materials may include supplemental identifying information such as the trade name or "NYC".

1025.5 Reserved.

1025.6 General standards.

Luminous materials shall comply with the design standards of Sections 1025.6.1 and 1025.6.2.

1025.6.1 Design of door and directional signs.

Unless otherwise specified, all photoluminescent door signs and directional signs:

   1.   May be either positive or negative image;

   2.   Shall be made with the non-photoluminescent portions of the signs in safety green as per ANSI Z535.1; and

   3.   Shall include three components:

      3.1.   The word "EXIT" printed in sans serif letters at least 4 inches high (101.6 mm) with strokes no less than 1/2 inch (12.7 mm);

      3.2.   An emergency exit symbol at least 4 inches high (101.6 mm), complying with NFPA 170; and

      3.3.   An arrow at least 2 3/4 inches (69.9 mm) high, complying with NFPA 170.

Design of door and directional sign shall comply with Figures S101.1(9), S101.1(13), S101.1(14) and S101.1(15) of Appendix S.