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Alroc Semi- Conductive Screen Removers
Damage to the insulation during semi-conductive screen removal - this is probably the number one cause of all cable joint and cable termination failures. Care must be taken when cable jointers are removing the semi-conductive screen, any damage or nick to the cable insulation at this stage will result in creating an unscreened air void.
Pictured: Alroc Peelable Semi-Conductor Screen Removal Tools
Since the dielectric strength of air is less than that of the XLPE insulation, the concentration of electrical stress in this area will exceed the dielectric strength of air. The air will ionize causing corona discharge to occur. These discharges bombard the surrounding insulation 100 times a second, and will result in cutting through the insulation and ultimate high voltage power cable failure.
High Voltage Preparation Tools |
Semi-conductive layer scraping Outer sheath/jacket stripping Cable screen grounding Semi-conductor shaving tool Primary insulation stripping Groove insulation making Beveling & chamfering cable insulation |
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Medium Voltage Preparation Tools |
Sheath abrasion Outer sheath/jacket stripping Cable screen grounding Semi conductor scoring Bonded semi-conductor shaving tool Primary insulation stripping Beveling & chamfering cable insulation |
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Low Voltage Preparation Tools |
Outer sheath stripping Jacket removal Mid-span stripper 1000V cable stripper Live working pliers Insulated cable jacket stripping |
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Alroc MF3NP/40 MF3NP/60 Multi-Function 33kV Cable Jointers Tools
Alroc EV/NPT - Cable Jointing Tool To Spread PE Outer Sheath With Aluminium Screen
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Category: HV Cable Jointing & Terminating