Splice enclosure(closure,connection box) outside plant,underground,aerial,pedestal ... Technical parameters:Temperature-40°C --- +60°CAnti-draught After enclosure sealing, internal pressure 0.1Mpa is to endure 1000N axis ... -strike16N steel ball falls from 1m high onto the enclosure three times,not being broken down and has no ... between metal components and ground linked parts. Splice enclosure(closure,)