Panel-mounted light indicator for rectangular template in cable version, with TP base unit and lens inserted from the front of the panel. The lens fits into the body of the indicator positioned on the back of the panel, in correspondence with the drilling template. The indicator is positioned parallel to the panel in order to reduce the internal bulk. Solution that can be adopted for various applications: home appliances, HoReCa., HVAC-R, lighting, industrial automation, medical instrumentation, mobility.