<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_a47a85c1-26f3-4ec4-8798-6ea1e0902c22" outputclass="ncc-clause"><meta><facet building="Class 1a"/><facet building="Class 1b"/><facet building="Class 10a"/><facet building="Class 10b"/><facet building="Class 10c"/></meta><sptc>S25C3</sptc><title id="_40db3757-f231-492b-8387-8b3e1af82e89">Illumination</title><archive-num><xt:delText xt:action="start" xt:author="Patrick Kerrigan" xt:dateTime="2024-03-12T11:01:00" xt:id="89045c2e-34f1-44a0-9376-909a67aa2d65"/>2019: Spec E4.8: 3<xt:delText xt:action="end" xt:id="89045c2e-34f1-44a0-9376-909a67aa2d65"/></archive-num><subclause id="_40354f0b-e684-4149-8f25-20d1a63cc2ab" outputclass="subclause"><title id="_48942370-a0af-4e1b-86a2-73c8e2e35bf3">SubClause</title><num>1</num><p>A <xt:insText xt:action="start" xt:author="Patrick Kerrigan" xt:dateTime="2024-03-12T11:01:00" xt:id="434079fd-227e-409b-a304-3a5e73326941"/>passive <xt:insText xt:action="end" xt:id="434079fd-227e-409b-a304-3a5e73326941"/>photoluminescent <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1263_2.3.0.xml#_9712f630-8cf7-401b-b1cc-ae0be4485915" id="_4596ec21-ce12-4632-8678-30ac0bc599e6" scope="local" type="abcb-glossentry">exit</xref> sign must—</p><ol outputclass="alpha"><li id="_88c55f57-6e4a-454b-9386-54bed1612e7b">be maintained in a continuously charged state by a minimum illumination of 100 lux at the face of the sign by a dedicated light source with a colour temperature not less than 4000 K; and</li><li id="_fe1bf694-1374-42a4-8ac6-0e5ba97b18af">in the event of a power failure, continue to provide a minimum luminance of 30 mcd/m<sup id="_4fa7cbd7-5955-4508-953f-cd09a349add9">2</sup> for not less than 90 minutes; and</li><li id="_1ec0c34e-dd15-4236-8f3c-0c31bfb61744">have its performance verified by testing in accordance with ASTM E2073-10, except the activation illumination in clause 8.3 is replaced with 54 lux.</li></ol></subclause></clause>