(FX-)RUOU & (FX-)RUBU & (FX-)RUCU 0.6/1 kV, (FX-)RUOU(c) & (FX-)RUBU(c) & (FX-)RUCU(c) 0.6/1 kV, RUOU(VFD) & RUBU(VFD) 0.6/1 kV, (FX-)RUOU(VFD) & (FX-)RUBU(VFD) 0.6/1 kV (1.8/3 kV), (FX-)RUOU(VFD) & (FX-)RUBU(VFD) 1.8/3 kV, (FX-)RUOU & (FX-)RUBU & (FX-)RUCU 1.8/3 kV
(FX-)RUOU & (FX-)RUBU & (FX-)RUCU 0.6/1 kV, (FX-)RUOU(c) & (FX-)RUBU(c) & (FX-)RUCU(c) 0.6/1 kV, RUOU(VFD) & RUBU(VFD) 0.6/1 kV, (FX-)RUOU(VFD) & (FX-)RUBU(VFD) 0.6/1 kV (1.8/3 kV), (FX-)RUOU(VFD) & (FX-)RUBU(VFD) 1.8/3 kV, (FX-)RUOU & (FX-)RUBU & (FX-)RUCU 1.8/3 kV by TMC Co., Ltd. DNV TA certificate TAE00000AY.
Inspector Detail
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Common issues
- Insulation resistance degradation from moisture ingress at glands and terminations
- Sheath abrasion or chafing at cable trays, transits and bends below the minimum bend radius
- VFD cable screen/earth bonding degradation, leading to increased EMI or nuisance earth faults
- Overheating or discoloration at overloaded runs or poorly made terminations
- Cable gland or transit seal failure allowing water tracking along the cable
- UV/weathering degradation on exposed deck runs
Inspection checklist
- Insulation resistance (IR) testing on the scheduled interval and after any wetting event
- Visual check of sheath condition for cuts, abrasion and discoloration on accessible runs
- Check gland and cable transit seals for tightness and corrosion
- Verify cable support/tray fixing and compliance with minimum bend radius
- For VFD cables, check screen/earth continuity and bonding at both ends
- Thermal check at terminations and busbar connections under load, by hand or IR camera where practical
- Confirm cable identification/labelling is intact for maintenance safety
Service intervals
| Insulation resistance testing | annually and at each relevant survey, per the planned maintenance system |
| Visual inspection of accessible cable runs | annually |
| Gland/transit seal inspection | annually or at dry-docking |
| Termination torque check/re-tightening | per manufacturer or after any significant load event, commonly every 2-5 years |
Typical wear limits
| Insulation resistance | trend over time against the vessel's PMS/class-accepted minimum matters more than a single absolute figure - confirm acceptance criteria with class/flag guidance |
| Bend radius | not less than the cable manufacturer's stated minimum multiple of overall diameter - this varies by construction, check the original data sheet |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Critical spares
- Matching cable of the correct type and size for known problem runs, ordered by cable type designation
- Cable glands of the correct size and rating (gas-tight/watertight as applicable)
- Heat-shrink termination/jointing kits
Safety
- Always de-energize and verify isolation before working on power cables
- VFD output cables can retain high-frequency transients after drive shutdown - follow the drive manufacturer's discharge/lockout procedure
- Damaged sheath on cables in a hazardous area is a potential ignition source
- Water-damaged cable can fail unpredictably under load - test before re-energizing
Class survey
Class typically reviews insulation resistance test records, visual condition of accessible cable runs, gland/transit integrity at fire and watertight divisions, and correct cable type/rating for the application (e.g. VFD-rated cable on drive circuits), rather than testing every cable run individually.
Components & Design
Component data being added…
Technical Data
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Maritime Network →DNV type approval
Verified against the DNV Approval Finder — the certificate below is issued by DNV, not by us.
- Certificate
- TAE00000AY
- Approved as
- Electric Power Cable · Electrical Equipment and Systems
- Certificate holder
- TMC Co., Ltd (Republic of Korea)
- Valid until
- 2029-05-15