Purposes: waterproof junction box sub-line box is mainly suitable for indoor, outdoor electrical, communications, fire fighting equipment, iron and steel smelting, petrochemical, electronics, electric power, railway, construction sites, mines, mining field, airports, hotels, ships, large factories coastal factories, loading dock equipment, sewage and waste treatment facilities, environmental hazards facilities. Material: use of new materials, imported from Taiwan quality thermoplastic ABS (PC) polycarbonate, or according to customer requirements first choice material can be customized fuel resistance, anti-UV material, covered with transparent and opaque in two forms (the material is non-corrosive, anti-static, good insulation). cabinet thickness: box at the thinnest average thickness of 3mm, the thickness of an important part of strengthening (will not be deformed), impact strength IK07 (pressure is not broken ); flammability rating V0 (resistant high degree of roast, used for a long time does not fade), lightweight (easy to install, and also can be moved position). Waterproof: waterproof, protection class IP66 more, even if the job began to rain is not water, very safe. The existing waterproof junction box 64 × 58 × 35 mm to 380 × 260 × 165 mm various sizes can also be customized according to the size of the customer needs