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The physical properties of optical fiber boxes

⑴ the box must have good resistance to corrosion and ageing and damage resistance.

⑵ enclosure top surface must be able to withstand the vertical pressure of not less than 500N, after a cabinet door is opened, the outer end of the door must be able to withstand the vertical pressure of not less than 100N. After removing the load, box must be no trace of damage and permanent deformation.

C when cable is introduced, General cable fixation must be able to bear the axial tensile force of not less than 500N; self-supporting Butterfly fiber optic cable must be able to withstand not less than fixed axial tensile force of 200N. Fixed by tension, torsion tests check the cables, cables must be free of any loosening and failure.