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combined emergency luminaire

Standards
luminaire containing two or more lamps or light sources, at least one of which is energized from the emergency lighting supply and the other(s) from the normal lighting supply. The emergency lamp(s) in a combined emergency luminaire is (are) either maintained or non-maintained (refer to Figure 1.1)
Source - AS/NZS 2293.1:2018: Emergency lighting and exit signs for buildings
HB50
emergency luminaire which also incorporates an additional lamp energized from the normal lighting supply
See also: self-contained emergency luminaire
HB50
<exit sign> maintained or non-maintained emergency luminaire (exit sign) which incorporates an additional lamp energized from the normal lighting supply
The term sustained emergency luminaire (sustained exit sign) is sometimes used to describe one form of combined emergency luminaire (combined exit sign) in which the emergency lamps operate in a non-maintained mode.