MGCH 4Cx185mm2 0.6/1kV SWA
Eland Cables MGCH 4Cx185mm2 0.6/1kV SWA — 185 mm² cross-section.
Inspector Detail
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Common issues
- Insulation resistance degradation from moisture ingress at glands or termination points
- Armour wire (SWA) corrosion where gland bonding is missing or degraded
- Mechanical damage to the outer sheath from chafing against trays or penetrations
- Overheating/discolouration at terminations from under-torqued or oversized lugs
- Water tracking into a gland that has been incorrectly fitted
Inspection checklist
- Visual inspection of the outer sheath for cuts, abrasion, or heat/UV degradation
- Insulation resistance test conductor-to-conductor and conductor-to-armour
- Check gland integrity and armour bonding/earth continuity at each termination
- Inspect cable support/tray fixings for security and chafe protection
- Verify termination lug torque against the manufacturer's table
- Confirm routing is clear of hot surfaces and that fire-rated penetrations are properly sealed
Service intervals
| Insulation resistance test | annually, or per class survey cycle for essential circuits |
| Visual inspection of sheath, glands and supports | every 6-12 months |
| Termination torque check | at commissioning and after any disturbance |
Typical wear limits
| Insulation resistance, 0.6/1kV power cable | generally expected well above the applicable minimum (commonly quoted around 1 M-ohm as an absolute floor) - a declining trend across surveys matters more than a single reading |
| Sheath/jacket damage before repair is required | any breach exposing armour or insulation in a wet or hazardous area should be treated as needing repair or replacement, not left in service |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Critical spares
- Armoured cable gland set, correct size and thread
- Crimp/compression lugs for 185 mm2 conductor
- Repair length of the same cross-section and voltage class
- Heat-shrink or cold-shrink termination kit
Safety
- Working on or near energised power cables without verified isolation
- Armour continuity faults can leave exposed metalwork live under fault conditions
- Damaged insulation on 0.6/1kV cable is a shock hazard in wet spaces
Class survey
Surveyors check cable sizing against the load calculation, insulation resistance test records, fire-rated penetration sealing at bulkhead/deck crossings, and correct segregation from other services. Essential-circuit cables are usually covered under the electrical periodic survey rather than continuous survey.
Components & Design
Component data being added…
Technical Data
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