Profile: CoreTEK Industries, Inc. offers avalanche diode & gas discharge tube technology surge protection for ultra high speed clamping of damaging transient voltages on category 5E, 5, gigabit, voice and data circuits. Our premise wiring series surge protectors incorporate the convenience of an RJ45 connector with a 110 punch down termination. Both rack mount & wall plate models are available and may be mixed for multiple voice & data channels. Our non-premise wiring series consists of several types of termination. These units are available in a rack mount 16 port patch panel and a single unit, which attaches directly to the back of a workstation.