8013/313 Indicator Lamp for panel mounting. STAHL Series 8013 LED indicating lamps show command statuses via a light signal, the colour of which you can determine using the colour filter included in the delivery: Red, yellow, green, blue or white. The long-life LEDs provide high luminance and low heat build-up. Versions with spring clamp terminal with or without connection enclosure and versions with prefabricated connection line and connection enclosure are available.