Profile: Carpenter Emergency Lighting offers emergency signs, exit signs and lighting signs. We offer fluorescent exit signs, self-luminous exit signs, explosion proof signs, incandescent exit signs and emergency lighting. The RFBK-3 conversion kit utilizes red LED technology to transform exit signs to LED technology. It has features such as battery lockout circuit, dual fluorescent lamps and 6 volt, 7.2 watt, high-intensity, tungsten lampheads.