ECs in the EM_PHENOMENON group

ECC_ACOUSTIC_TRANSDUCER	ECC_AERIAL	ECC_AERIAL_SUPPORT_MAST	ECC_BURIED_ELECTRICAL_CABLE
ECC_BURIED_POWER_TRANSMISSION_LINE	ECC_COMMUNICATION_TOWER	ECC_DISH_AERIAL	ECC_EARLY_WARNING_RADAR_SITE
ECC_ELECTRICAL_CABLE	ECC_ELECTRICAL_FIELD	ECC_ELECTRICAL_POWER_CABLE	ECC_ELECTRICAL_POWER_CONNECTION_LOCATION
ECC_ELECTRICAL_SIGNAL_CABLE	ECC_ELECTRICAL_SIGNAL_CONNECTION_LOCATION	ECC_ELECTRICAL_SIGNAL_LINE	ECC_ELECTRICAL_SIGNAL_LINE_PYLON
ECC_ELECTRIFIED_RAILWAY_PYLON	ECC_ELECTROMAGNETIC_MATERIAL_PROPERTY_SET	ECC_ELECTROMAGNETIC_PULSE	ECC_ELECTROMAGNETIC_REFRACTIVE_EVAPORATIVE_DUCT
ECC_ELEVATED_ELECTRICAL_CABLE	ECC_ELEVATED_EM_DUCT	ECC_EM_PULSE_COMPTON_EFFECT	ECC_ENGINEER_DITCH
ECC_GALAXY	ECC_INFRARED_MATERIAL_PROPERTY_SET	ECC_INTERPLANETARY_MAGNETIC_FIELD	ECC_IONOSPHERE
ECC_IONOSPHERE_ELECTRON_DENSITY_PROPERTY_SET	ECC_IONOSPHERE_SCINTILLATION_PROPERTY_SET	ECC_IONOSPHERIC_D_REGION	ECC_IONOSPHERIC_E_REGION
ECC_IONOSPHERIC_F1_REGION	ECC_IONOSPHERIC_F2_REGION	ECC_ISOGONIC_LINE	ECC_LIGHTNING
ECC_MAGNETIC_DATA_DEVICE	ECC_MAGNETIC_DISTURBANCE	ECC_MAGNETIC_FIELD	ECC_MAGNETIC_FIELD_PROPERTY_SET
ECC_MAGNETIC_FIELD_SURFACE_PROPERTY_SET	ECC_MAGNETIC_STATION	ECC_MAGNETOPAUSE	ECC_MAGNETOSPHERE
ECC_MAGNETOSPHERE_PLASMA	ECC_NAVIGATION_RADAR_RANGE	ECC_PARTICLE_ACCELERATOR	ECC_PLANETARY_MAGNETIC_POLE
ECC_POWER_GENERATION_BUILDING	ECC_POWER_PLANT	ECC_POWER_SUBSTATION	ECC_POWER_TRANSMISSION_LINE
ECC_POWER_TRANSMISSION_LINE_PYLON	ECC_POWER_TRANSMISSION_LINE_TERMINUS	ECC_RADAR_DEVICE	ECC_RADAR_MATERIAL_PROPERTY_SET
ECC_RADAR_RECEIVER	ECC_RADAR_STATION	ECC_RADAR_TRANSMITTER	ECC_RADIOLOGIC_HAZARD_REGION
ECC_RUNWAY_RADAR_REFLECTOR	ECC_SATELLITE_GROUND_STATION	ECC_SOLAR_PANEL	ECC_SOLAR_SYSTEM
ECC_STAR	ECC_STELLAR_BURST_RADIO_FREQUENCY_EMISSION	ECC_STELLAR_ENERGETIC_PARTICLE	ECC_STELLAR_FLUX_RADIO_FREQUENCY_EMISSION
ECC_STELLAR_WIND	ECC_SUN	ECC_SURFACE_BASED_EM_DUCT	ECC_THUNDERSTORM
ECC_TRANSMISSION_STATION	ECC_UNDERGROUND_RAILWAY	ECC_WIND_MOTOR