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mud resistant MV cable

34 Min Read
The act of splicing a medium-voltage cable in the field—joining two cable ends after they have already been installed in a drilling derrick or FPSO electrical room—occupies a unique and critical position in offshore electrical engineering. Unlike cable terminations (where the cable end is terminated to a switchgear cabinet or transformer winding terminal), field splices create a permanently joined section within the cable run itself. This joint must perform as if it were part of the original manufactured cable, maintaining perfect electrical, mechanical, and dielectric integrity in one of the world's most hostile environments: the vibration-laden, salt-spray-corroded, perpetually humid confines of an offshore platform. When a splice fails, it often fails catastrophically, potentially causing equipment damage, electrical hazards to personnel, and operational shutdowns that can cost hundreds of thousands of dollars per day.
Technical Department
on25/02/2026

Splicing Type MMV (37-105) 8kV Cables: Managing Tape and Braided Shields Offshore with Field-Proven Termination Techniques

The act of splicing a medium-voltage cable in the field—joining two cable ends after they have already been installed in a drilling derrick or FPSO electrical room—occupies a unique and critical position in offshore electrical engineering. Unlike cable terminations (where the cable end is terminated to a switchgear cabinet or transformer winding terminal), field splices create a permanently joined section within the cable run itself. This joint must perform as if it were part of the original manufactured cable, maintaining perfect electrical, mechanical, and dielectric integrity in one of the world’s most hostile environments: the vibration-laden, salt-spray-corroded, perpetually humid confines of an offshore platform. When a splice fails, it often fails catastrophically, potentially causing equipment damage, electrical hazards to personnel, and operational shutdowns that can cost hundreds of thousands of dollars per day.
25 Min Read
When a marine electrical engineer opens a cable specification document for a 15 kV Type MMV cable, among the first technical parameters to be scrutinized is the notation of insulation level: either 100% or 133%. To the uninitiated, these seemingly abstract percentages might appear to be arbitrary marketing designations. In reality, they represent a profound engineering distinction rooted in power system grounding philosophy and the way electrical stress distributes across the cable insulation during both normal operation and fault conditions. Understanding this distinction is essential for anyone responsible for specifying cables for offshore platforms, FPSOs, or dynamic positioning vessels, because choosing the wrong insulation level can result in premature cable failures, cascading electrical faults, and operational disasters.
Technical Department
on25/02/2026

Understanding 100% vs. 133% Insulation Levels in Type MMV 15kV Marine Cables

When a marine electrical engineer opens a cable specification document for a 15 kV Type MMV cable, among the first technical parameters to be scrutinized is the notation of insulation level: either 100% or 133%. To the uninitiated, these seemingly abstract percentages might appear to be arbitrary marketing designations. In reality, they represent a profound engineering distinction rooted in power system grounding philosophy and the way electrical stress distributes across the cable insulation during both normal operation and fault conditions. Understanding this distinction is essential for anyone responsible for specifying cables for offshore platforms, FPSOs, or dynamic positioning vessels, because choosing the wrong insulation level can result in premature cable failures, cascading electrical faults, and operational disasters.
32 Min Read
IEC 60092-354 mandates LSZH materials—typically halogen-free compounds based on thermoplastic polyethylene (HTPE), ethylene vinyl acetate (EVA), or polyurethane (PU). These materials meet stringent EN 61034 smoke emission criteria: less than 50% optical density when tested in a closed chamber, and minimal evolution of corrosive gases (measured as hydrochloric acid equivalent per EN 50267-2-1). For additional mechanical protection, ship cables are almost always specified with armoring: a steel wire or steel tape wrapping applied over the jacket.
Technical Department
on25/02/2026

IEC 60092 MV Cables vs. IEEE 1580 Type MMV: A Specifier’s Guide for Shipboard Power Distribution

IEC 60092-354 mandates LSZH materials—typically halogen-free compounds based on thermoplastic polyethylene (HTPE), ethylene vinyl acetate (EVA), or polyurethane (PU). These materials meet stringent EN 61034 smoke emission criteria: less than 50% optical density when tested in a closed chamber, and minimal evolution of corrosive gases (measured as hydrochloric acid equivalent per EN 50267-2-1). For additional mechanical protection, ship cables are almost always specified with armoring: a steel wire or steel tape wrapping applied over the jacket.