LTB-T8 T8 Bed Top Acrylic Diffuser Luminaire Housing High quality cold-rolled steel sheet of thickness 0.6 (T6) or 0.8mm (T8) Reflector Anodized aluminium reflector TR 87% mirror finished or TR = 95% Diffuser high quality acrylic diffuser with steel painted frame. Four acrylic diffusers are available : Prismatic (P) , Opal (M) , Stipple (O) and Clear (J) Lamp Holder Heavy duty rotary-locked type lamp holder (TIS.344-1987 Standard) Wire Cable THW 1.0 sq.mm. 70'C (TIS.11-1988 Standard). Optional: 105'C 18AWG UL Standard. IP Rating IP20 Installation suitable for general wall mounting purpose with asymestry light distribution