A surge protector with coax protection helps defend more than your wall-powered electronics. By protecting coaxial, telephone, or network lines, it can reduce the risk that a surge reaching through connected cables damages a TV, modem, router, or home theater system.
We compare 10 options across outlet count, joule rating, cord length, connection types, form factor, and installation flexibility so you can choose protection that fits your equipment and available space.
Best 10 Surge Protector with Coax Protection Picks for 2026
Top-Rated Choice
- 10 outlets with 3,345 joules
- Coax and RJ11 protection
- 8-foot cord and auto shutoff
Best For: Home offices and mixed electronics setups
Maximum Outlet Pick
- 12 outlets for larger setups
- Coax and telephone-line protection
- 2,880 joules with an 8-foot cord
Best For: Offices and media areas needing extra outlets
Home Theater Favorite
- 12 outlets and 2,880 joules
- Includes coax and phone cables
- Flat plug and mountable design
Best For: TVs and home theater components
AV Noise-Control Pick
- Eight protected AV outlets
- 0–2.2 GHz coax protection
- 45 dB RFI/EMI filtration
Best For: AV systems prioritizing signal protection and noise control
Best Overall
Tripp Lite TLP118DBNET Home Theater Surge Protector
- 11 outlets with 4,200 joules of surge protection
- Coax, phone, and Ethernet line protection
- 8-foot flat cord with mounting options
Best For: Connected home theaters and networking setups
Best High-Capacity Pick
Stanley 33306 12-Outlet Surge Protector
- 12 grounded outlets for larger setups
- Coax, phone, and network protection
- 3,000 joules with a built-in circuit breaker
Best For: Home offices and entertainment centers needing many outlets
Best USB Option
Woods 41629 8-Outlet Surge Protector
- Eight outlets with 3,540 joules of protection
- Coax protection and USB connectivity
- Six-foot cord for indoor setups
Best For: Indoor spaces needing USB access with coax protection
Heavy-Duty Network Guard
- 3,240 joules with eight outlets
- Coax, Ethernet, and telephone/DSL protection
- 10-foot cord and 15A circuit breaker
Best For: Larger home-office and entertainment setups
Space-Saving Wall Tap
- Six direct-to-wall outlets
- Coax protection for cable and satellite receivers
- Side-entry design for easier access
Best For: Televisions and receiver setups behind furniture
Compact Everyday Protection
Monoprice Slim Surge Protector
- Six outlets with coaxial line protection
- 1,080-joule rating and protected indicator
- Slim design with a four-foot cord
Best For: Compact TV, apartment, or office setups
Top-Rated Choice – Tripp Lite TLP1008TELTV
If you need a surge protector with coax protection for a home office or entertainment setup, the Tripp Lite TLP1008TELTV combines 10 AC outlets with coaxial and RJ11 telephone/DSL protection. Its 3,345-joule rating, 8-foot cord, diagnostic LEDs, and automatic shutoff provide a well-rounded setup for connected electronics.
Best For: Home offices and mixed electronics setups that need generous surge capacity plus coax and phone-line protection.
Pros:
- Provides 10 outlets, 3,345 joules of surge protection, and a 15A rating.
- Includes gold coax and RJ11 protection, with a coax cable and telephone cable included.
- Features an 8-foot cord, right-angle plug, wall-mounting slots, diagnostic LEDs, and automatic shutoff.
- Backed by a lifetime limited warranty and $150,000 connected-equipment insurance.
Cons:
- Offers fewer AC outlets than the 12-outlet alternatives in this roundup.
- Its feature-rich design may be more than needed for a basic outlet-only setup.
With the highest stated joule rating among these options and broad line protection, this is a strong choice when equipment coverage matters more than maximum outlet count.
Maximum Outlet Pick – Tripp Lite TLP1208TELTV
The Tripp Lite TLP1208TELTV is a practical surge protector with coax protection for users who need to connect several devices at once. It supplies 12 outlets, one-line coax protection, telephone/modem/network protection, and an 8-foot cord in a space-saving flat design.
Best For: Offices, media areas, and setups where 12 outlets are more important than the highest joule rating.
Pros:
- Provides 12 outlets and accommodates up to four transformer plugs.
- Includes coaxial protection plus one-line-in/two-line-out telephone, modem, and network protection.
- Offers 2,880 joules, diagnostic LEDs, an 8-foot cord, and a right-angle plug.
- Includes a lifetime limited warranty and $150,000 Ultimate Lifetime Insurance.
Cons:
- Its 2,880-joule rating is lower than the 3,345-joule rating of the 10-outlet Tripp Lite model.
- The supplied description does not specify included coax or telephone cables.
This model is a sensible capacity-first option, delivering two additional outlets while retaining coax and data-line protection for a broad range of electronics.
Home Theater Favorite – Tripp Lite TLP1208TELTV
For a home theater or TV area, this surge protector with coax protection pairs 12 outlets with phone and coaxial ports. The included 6-foot cables, 8-foot extension cord, flat plug, wide-spaced outlets, and mounting slots make it easy to organize entertainment equipment near a wall or desk.
Best For: TVs, cable or satellite equipment, modems, routers, and other home theater components.
Pros:
- Offers 12 outlets, 2,880 joules, and four outlets designed to fit bulky transformers.
- Includes 1-in/2-out RJ11 protection and coaxial protection for TV, satellite, phone, fax, and modem equipment.
- Comes with 6-foot phone and coax cables, an 8-foot cord, a flat plug, and keyhole mounting slots.
- Has a 15A circuit breaker, diagnostic LEDs, UL certification/listing, and connected-equipment coverage.
Cons:
- The 2,880-joule rating is below the 3,345-joule rating of the 10-outlet Tripp Lite option.
- Its 12-outlet body may take more space than a compact basic strip.
The included cables and installation-friendly design make this version especially convenient for a TV or media cabinet where both AC and incoming signal lines need protection.
AV Noise-Control Pick – Panamax SP8-AV
The Panamax SP8-AV is a surge protector with coax protection designed around audio/video equipment. It provides eight protected outlets, coaxial protection across 0–2.2 GHz, telephone-line protection, and 45 dB of RFI/EMI noise filtration, while its Protect-or-Disconnect circuitry is intended to disconnect AC during a catastrophic surge.
Best For: AV systems where signal-line protection and interference filtration are priorities.
Pros:
- Provides eight protected outlets with a 15A rating.
- Supports coax protection from 0 to 2.2 GHz and telephone-line protection.
- Includes 45 dB RFI/EMI noise filtration for an AV-focused setup.
- Uses Protect-or-Disconnect circuitry to disconnect AC during a catastrophic surge.
Cons:
- Has fewer outlets than the 10- and 12-outlet Tripp Lite models.
- Its stated 1,125-joule rating is lower than the ratings of the other products listed.
- The supplied notes do not mention a power-cord length or included signal cables.
This is the specialized choice for an AV rack or entertainment system where noise filtration and coax/telephone protection are more important than outlet count or maximum joule capacity.
Best Overall – Tripp Lite TLP118DBNET Home Theater Surge Protector
If you need a surge protector with coax protection for a home theater or networking setup, the Eaton Tripp Lite TLP118DBNET combines broad device coverage with 11 outlets and a 4,200-joule rating. It also adds coax, phone, and Ethernet protection, plus an 8-foot braided flat-plug cord for flexible placement.
Best For: Home theaters, cable equipment, routers, and other setups needing multiple connection types and wall-mounting flexibility.
Pros:
- Provides 11 outlets and a 4,200-joule surge rating.
- Protects coax, RJ11 phone, and RJ45 Ethernet connections.
- Includes an 8-foot flat-plug cord, EMI/RFI filtering, mounting slots, and a lifetime limited warranty.
Cons:
- Ethernet passthrough is rated up to 100 Mbps.
- Its larger 11-outlet design may be more than a small setup needs.
This is the most versatile option of the three for a connected entertainment center. Its combination of high joule capacity, data-line protection, and placement options makes it a strong choice when coax protection is only one part of the buying decision.
Best High-Capacity Pick – Stanley 33306 12-Outlet Surge Protector
Stanley 33306 12-Outlet Surge Protector, 3,000 Joule with Coax and Phone and Network Protection
Check Price On AmazonThe Stanley 33306 is a practical surge protector with coax protection for users who need many grounded outlets in one strip. It provides 12 outlets, 3,000 joules of surge protection, and protection for phone, network, and coaxial connections.
Best For: Larger home-office or entertainment setups that need 12 outlets and basic protection across power and data lines.
Pros:
- Offers 12 grounded outlets for multiple devices.
- Includes coaxial, phone, and network protection.
- Uses 3,000-joule surge protection and has a built-in circuit breaker.
Cons:
- The supplied details do not list cord length or mounting features.
- It provides fewer surge-protection joules than the Tripp Lite option.
Choose the Stanley when outlet count is the priority. It covers the key coax, phone, and network connections while giving you the highest number of outlets in this group, though its listed features are less extensive for installation flexibility.
Best USB Option – Woods 41629 8-Outlet Surge Protector
The Woods 41629 is a compact choice if you want a surge protector with coax protection plus USB charging. It has eight outlets, a 3,540-joule rating, a six-foot cord, and USB ports in a straightforward indoor power-strip design.
Best For: Indoor setups that need coax protection, eight outlets, and convenient USB connectivity in one strip.
Pros:
- Provides eight outlets and 3,540 joules of surge protection.
- Includes coax protection and USB ports.
- Uses a six-foot cord and a 15-amp rating.
Cons:
- It has fewer outlets than the Stanley and Tripp Lite models.
- The supplied notes do not specify phone or Ethernet protection.
- The product details list eight USB ports, but do not provide charging specifications.
This model makes the most sense for users who value USB access alongside coax protection. It offers a solid joule rating and a moderate outlet count, but buyers needing phone or Ethernet line protection should consider the other listed options.
Heavy-Duty Network Guard – Tripp Lite TLP810NET
If you need a surge protector with coax protection for a home office or entertainment setup, the Tripp Lite TLP810NET combines high surge capacity with room for multiple devices. It provides 3,240 joules of protection across eight outlets, plus telephone/DSL, coaxial, and Ethernet protection.
Best For: Larger setups using several electronics, modems, cable equipment, or network-connected devices.
Pros:
- Eight outlets can accommodate up to three bulky transformers.
- 3,240-joule rating and a 15A circuit breaker provide substantial power protection.
- Gold-plated coaxial jacks are designed to transmit a cleaner signal.
- Includes telephone/DSL and Ethernet protection in addition to coax protection.
Cons:
- The 10-foot cord and larger design may be more than compact setups need.
- Its feature set may be excessive for users protecting only a single television.
With broad connection coverage and a high joule rating, this model is a practical choice when coax protection is only one part of a more comprehensive setup.
Space-Saving Wall Tap – Woods 41204
Woods 41204 6-Outlet Surge Protector Wall Adapter Side Entry with Phone and Coax Protection
Check Price On AmazonThe Woods 41204 is a convenient surge protector with coax protection for televisions, cable receivers, and satellite equipment. Its six-outlet wall-adapter design plugs directly into an outlet, while side-entry outlets help keep connected cables accessible behind furniture.
Best For: TV and cable or satellite setups where a slim, direct-to-wall design is useful.
Pros:
- Six outlets are built into a lightweight wall tap that plugs directly into the outlet.
- Coax protection helps guard satellite and cable receivers against surges and spikes on the coaxial line.
- Side-entry outlets can make connections easier to reach behind furniture.
- Includes a $200,000 connected-equipment warranty.
Cons:
- The wall-adapter format may be less suitable for devices positioned far from the outlet.
- It offers fewer outlets than larger power strips.
This is a focused option for a media area, especially when you want coax protection without adding a long power cord or bulky strip to the setup.
Compact Everyday Protection – Monoprice Slim Surge Protector
For a straightforward surge protector with coax protection, the Monoprice slim power strip provides six protected outlets in a compact white design. Its 1,080-joule rating, four-foot cord, protected indicator light, and coaxial line protection suit everyday television, apartment, office, and similar setups.
Best For: Compact entertainment or workspace setups that need six outlets and basic coaxial line protection.
Pros:
- Six protected power outlets support several connected devices.
- Includes coaxial line protection for compatible TV or cable setups.
- Compact slim design with a four-foot cord is convenient for nearby outlets.
- Protected light indicator shows the protection status.
Cons:
- Its 1,080-joule rating is lower than the Tripp Lite model in this roundup.
- The four-foot cord offers less placement flexibility than a longer-cord protector.
- The supplied notes do not specify telephone, Ethernet, or DSL protection.
This Monoprice strip keeps the feature set simple and space-conscious, making it a sensible pick when six outlets and coax protection are the main requirements.
How We Picked the Best Surge Protector with Coax Protection
We focused on models that combine AC surge protection with protection for coaxial lines, phone or DSL connections, Ethernet, or other low-voltage paths. We also considered practical specifications such as joule rating, outlet count, cord length, plug design, USB availability, wall-mounting convenience, and compatibility with entertainment or networking equipment.
Higher joule ratings can indicate more capacity to absorb repeated surges, but they do not guarantee protection from every event. A protector’s line connections, spacing, reset or breaker features, warranty terms, and correct installation matter too.
Quick Comparison
- For large setups: Choose an 11- or 12-outlet model when a TV, receiver, game console, modem, router, and accessories share one location.
- For home theater: AV-focused models with coax and telephone protection can simplify protection for multiple connected components.
- For networking equipment: Look for Ethernet, modem, or DSL protection in addition to coax coverage.
- For tight spaces: Flat-plug, slim, and wall-adapter designs are easier to place behind furniture or near a wall-mounted TV.
- For extra capacity: Models rated around 3,000 joules or more may suit larger entertainment systems, provided their outlets and line connections match your needs.
Key Buying Factors for a Surge Protector with Coax Protection
Check Every Connection Path
Coax protection is useful only when the incoming coax cable passes through the protector before reaching your television, cable box, modem, or antenna equipment. If your setup also uses telephone, DSL, or Ethernet wiring, choose a model that protects those paths as well.
Match Outlets and Spacing to Your Equipment
Count the devices you will connect, including chargers and powered accessories. Widely spaced outlets can accommodate bulky adapters, while a flat plug or side-entry design may work better behind cabinets. Avoid overloading the strip even when unused outlets remain.
Consider Joule Rating, Cord Length, and Placement
A higher joule rating is generally preferable for demanding setups, but cord length and placement are equally important. Use the shortest practical route to a properly grounded outlet, and do not connect one surge protector to another. Verify that the protector is suitable for your home’s electrical system.
Look for Useful Safety Features
Prioritize clear protection-status indicators, circuit-breaker or overload protection, sturdy construction, and a warranty that matches the value of your equipment. USB ports are convenient, but they should not replace the AC outlets or line protection your system requires.
Who Should Buy Which Surge Protector with Coax Protection?
Apartment and office users may prefer a slim or wall-mounted model with coax and phone protection for a modem, router, TV, or compact workstation. Home theater owners should favor higher-capacity units with ample outlets, spaced receptacles, and coax protection for cable or satellite equipment. Network-heavy households should select a model with Ethernet or modem-line protection, not coax alone. Minimalist setups can save space with a six-outlet or wall-adapter design, while larger entertainment centers benefit from 10 or more outlets and a longer cord.