Quartz Halogen Infrared 2 kW (2000 Watt) Heater Lamp Bulb SK15. Ruby 2 kW (2000 watt) heater bulb. Infrared heat output 2 kW. The wire leads have 1 cm of exposed wire at the ends, the amount of exposed wire can be increased and shaped into a spade or loop or what ever is required.