Cable Systems

Transient Protection Design provides surge protection for cable feeds entering the building before being distributed throughout the building. Surge protecting and bonding incoming cable feeds with the electrical system ground will create an equal potential ground eliminating  ground loop problems. This will allow for a more reliable cable system with less chance of noise and interference contaminating video and audio signals. Unlike other technologies on the market, TPD surge protection for Cables will not degrade performance over time with normal use.

Solid State Surge Suppressor & Hum Blocker
CATV Cable TV & High Speed Internet
Three Year Unlimited Free Replacement Warranty
Operating Frequency: 5MHz to 1.0GHz
Max Data Rate: unlimited, unit operates in frequency
Operating Voltage: 95V RMS/135V Peak
Two Way Communication Compatible: Yes
Ultra High Definition Compatible: Yes
Response Time: < 1 nanosecond
Strength: 1000 amps per wire
Series Resistance: < 0.1 ohm
Insertion Loss: <0.5db (5MHz to 1.0GHz)
Enclosure Type: Metal Weatherproof
F Type male connection accepts RG6 or RG11
Integrated mounting bracket with ground connection

Count incoming cable lines as well as outgoing cable lines to additional buildings and outdoor equipment etc. Surge protection and proper grounding these pathways are needed for proper performance of the equipment it is feeding. To maximize performance of the surge suppression system and reduce ground potentials it is also recommended to protect the breaker panel feeding equipment or at minimum the use of a plug in type surge suppressor. The TPD-CABLE  allows two way communication and will not degrade high definition signals.

Why Use Surge Protection on Incoming Phone & Cable Lines?

Lightning can ride into the building on ungrounded and/or unprotected cable and phone lines entering or leaving the structure.  Accordingly, it should be a priority to surge protect and correctly ground all phone and cable company conductors which enter or leave the building.  This includes surge protecting all phone or cable conductors as they leave and enter other buildings on the property.    Of course, whole home surge protection of any facility starts by protecting all breaker panels.   Protecting all systems with good quality surge suppression will pay for itself in short order, particularly in moderate to high lightning areas.


Phone and coax lines should be brought into the home as close as possible to the incoming service entrance panel.  Once they enter the building they are to be grounded so that all three grounds (power, phone, cable) reference the same ground potential at or near the service entrance.  Since the Transient Protection Design phone and coax suppression units are designed to dump the bulk of the energy to ground, the suppressors need to be grounded, and it is advisable to provide a ground bond as short and straight as possible, using a 14 AWG wire or larger.  This concept provides a common reference point for incoming data and the AC power; therefore, the voltage potential between them is kept at a safe level.  This is an extremely important step.  If it is ignored, even the best protection equipment may not be effective.  See an example design diagram here.


Protecting incoming phone and coax lines, along with surge protecting all critical AC electrical breaker panels in the home, reduces electrical maintenance costs, reduces glitches, lockups and reprogramming issues, and extends the life of all connected equipment.  Plus, with a transient protection design surge suppression system protecting the home, the homeowner is protected from catastrophic events such as lightning that can cause widespread loss of equipment, and even fire. The homeowner gets a quick return on their investment, and savings every year the suppression is in place and operational.