ANSI/IEEE C37.90Relays and Relay Systems Associated with Electric Power Apparatus DOW-CG1Multi function Damped Oscillatory Wave (DOW) generator DOW-CG1 IMU-MGE8KV EFT/Burst, SURGE, Ringwave and 10/700us impulse generator IMU-MGE CN-EFT1000Capacitive EFT/Burst Coupling Clamp 100pF CN-EFT1000 CN-BALUN-ACBalanced / unbalanced transmission line transformer for EFT and 1MHz Damped Sine CN-BALUN-AC Relays and Relay Systems Associated with Electric Power ApparatusANSI/IEEE, ULANSI/IEEE C37.90