Fire sign Fire alarm telephone Supernova. Afterglow in both the colour of the symbol (white) and the warning colour of the sign (red). Aluminium for wall mounting. Supernova is a patented working environment sign with a colour afterglow. The sign design complies with standards ISO 7010 (pictograms), ISO 3864 (correct signal colours in daylight and dark) and ISO 16069 (afterglow luminescence).
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