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Specifications:
- The XT Series Self-Luminous exit sign frame, backplate and canopy shall be of ABS molding
- Tamper proof assembly with no removable fasteners
- Frame finishes include white or black
- The signs can be mounted flush to wall or ceiling without a canopy
- The faceplate is constructed of acrylic (optional Polycarbonate) .13 inches thick
- The legend is constructed of non-glare polycarbonate, .015 inches thick, open letters, field programmable arrows and background colors include red or green
- Contrast ration for both conditions shall exceed .5 and meet requirements of UL924 and NFPA. Non-Electric - These exit signs do not require batteries, lamps or electricity for illumination
- Electrical wiring, power, lamp replacement and maintenance are not required
- Illumination is provided by phosphor-coated borosilicate tubes filled with tritium gas
- Tritium gas energizes the phosphor-coated tubes in the sign
- The low energy beta emission of tritium striking the phosphor coating inside the pyrex® glass tubes causes illumination to be generated
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