9 Electric and electronic measuring and testing apparatus, equipment, instruments and systems for use in electromagnetic compatibility (EMC) testing, electromagnetic pulse (EMP) testing, radio frequency (RF) testing, transient protection, and electromagnetic emissions and immunity testing, namely, voltage probes, current probes, current injection probes, surface probes, absorbing clamps, electromagnetic injection clamps, calibration fixtures, coupling decoupling devices and networks, decoupling clamps, line impedance stabilization networks, Helmholtz coils, electrostatic discharge (ESD) simulators, radiation detectors, electric and magnetic field sensors, transient protection devices for protecting against electromagnetic interference, suppressors, signal generators, pulse generators, electrical waveform generators, and transverse electromagnetic cells