... body with high impact resistance,non-deformable structure for installations in environments with vibration.2.Lighting cover : PC or PS ... or double tubes,or LED-tube.7.Wattage : T8 series ---- 1*18W,2*18W,1*36W,2*36W,1* ... 58W,2*58WT5 series ---- 1*14W,2*14W,1*28W,2*28W,1 ... .5 square meter,PVC insulation resistance up to 105C,terminal block with maxmum allowed lead cross section of 0.25 ...