NFPA Life Safety Code 101 U.L. 924 City of Los Angeles State of California Council of American Building Officials OSHA (ICBO, SBCCI) USNRC ISO 9001 The ESW-SL series of self-luminous exits are designed for easy installation. The use of internally sealed tritium gas as the illumination source reduces general maintenance issues and operational costs. The ESW-SL series does not require electrical power, wiring or batteries.
10 year life span