code/modules/power/lights.dm 
| /obj/machinery/light_construct | Incomplete light tube fixture |
|---|---|
| /obj/machinery/light_construct/clockwork | Incomplete brass light tube fixture |
| /obj/machinery/light_construct/small | Incomplete light bulb fixture |
| /obj/machinery/light | The standard light tube fixture |
| /obj/machinery/light/small | The smaller light bulb fixture |
| /obj/item/light | MARK: Light item |
| /obj/item/light/tube | For use in an empty /obj/machinery/light |
| /obj/item/light/bulb | For use in an empty /obj/machinery/light/small |