This is where comes into play. Officially titled "Electrical and electronic installations in ships – Electromagnetic compatibility (EMC) – Ships with a metallic hull," this international standard sets the benchmark for controlling EMI.
Introduction In the world of marine engineering and shipbuilding, electromagnetic compatibility (EMC) is not just a technical specification—it is a cornerstone of safety and reliability. With modern vessels housing everything from GPS navigation to automated engine controls and high-power propulsion systems, the risk of electromagnetic interference (EMI) has skyrocketed. iec 60533 pdf
| Aspect | 1999 Edition | 2015 Edition | | :--- | :--- | :--- | | | Up to 1 GHz | Expanded to 6 GHz | | Immunity tests | Basic levels | Increased severity for safety systems | | Harmonics | Referenced generic standards | Specific limits for marine drives | | Installation practices | Brief guidance | Detailed new annex on cable routing | | Compass safe distance | Minimal | Detailed magnetic field immunity for 0.5 m to 5 m | This is where comes into play