The BH100D and BH100DW, Clear Prismatic Bayonet Cap Bulkhead by Eterna with Black or White Plastic Base and Clear Prismatic Cover is ideal for both internal and external use. Impact and Corrosion Resistant makes this bulkhead an ideal lighting solution for your property Polycardbonate construction - Impact and Corrosion Resistant. Clear polycarbonate Prismatic Cover. Comes with a Prewired B22d Procelain Lampholder to terminal block for easy connections and to fit standard Bayonet Cap Bulbs (B22) or CFL equivalent. BESA Box Mounting. Heat resistant sleeve is provided to sleeve incoming live cables. Preformed 20mm Cable Entry Knockouts. IP65 Rated (Dust Tight and protected against Water jets) 230V Dimensions: 240mm(H)x135mm(W)x110mm(D) Comes with a 1 year manufactures warranty from the manufacture. Instruction Manual/Specification Sheet To complete the installation of this bulkhead you may require 1.5mm 3 Core White Flex or 1.5mm 3 Core Black Flex.