C R I T E C

electrical, electronic and communications apparatus; namely, uninterruptible electrical power supplies, standby electrical power supplies, power line filters, power line conditioners, electrical power filters, surge reduction filters, shunt energy diversion apparatus, transient barriers, power line protection units, communications line protection units, and earth impedance meters; monitoring and measuring apparatus; namely, lightning stroke counters, transient recorders, and earthing measurement units; research and test instrumentation; namely, digitizer recording apparatus and lightning leader monitoring units for scientific use; communications and monitoring apparatus; namely, lightning warning apparatus and associated communications units for use with lightning detection; protection, warning, lightning protection and lightning warning apparatus; namely, lightning air terminals, dissipation arrays, early streamer emission apparatus, delayed streamer emission apparatus, shielded and conventional lightning downconductors, and earthing rods; lightning warning and detection instruments; namely, lightning warning units, lightning frequency and distance detection apparatus, and lightning stroke event counters; lightning monitoring, detection and warning instrumentation; namely, lightning warning and detection apparatus, franklin and faraday type lightning protection apparatus comprising copper, stainless steel or other metallic strips, rods, connectors, test links, terminations, lightning rods, earth pits, and earth stakes; and lightning protection and warning apparatus comprising detection, monitoring and communications apparatus