3.High quality: screws do not rust, the shell is made of high flame retardant, high waterproof material, sealed dustproof and waterproof, waterproof, stable and durable button contacts, engineering plastic anti-breakage, not easy to damage, IP67 protection grade
4.Widely used:Waterproof junction box junction box is mainly used for indoor and outdoor electrical, communication, fire equipment, steel odor, petrochemical, electronic products, power supply, railroad, construction site, ore, mining site, airport, hotel, ship, large factories, unloading terminal equipment, sewage treatment facilities, environmental pollution facilities, etc.