Protect your home with surge protection inside your electrical panel
It is estimated that the average home has $15,000 worth of equipment that can be damaged by electrical surges. Mersen’s Surge-Trap® STLC surge protective device adds a critical layer of surge protection for your entire home. From your family room to your office and kitchen, you’ll have peace of mind knowing that your entire electrical system is protected.
This simple whole-house solution is installed directly inside your electrical panel and has flexibility to fit in a variety of different load center manufacturers and models. Plus, it satisfies the new 2020 National Electrical Code requirement for surge protection for residential dwellings.
If you happen to have a panel that is not compatible with the STLC, Mersen also offers the STXH series that can be installed external to your main panel. It is also the perfect fit to install in the electrical disconnect box feeding your sensitive outdoor equipment, including central air conditioner condenser, mini split system, or hot tub
2020 National Electrical Code Changes
The National Electrical Code, which sets standards for electrical installations and wiring safety in the United States, is updated every three years. The 2020 Revision includes a couple of revolutionary changes for Surge Protective Devices.
NEC 2020 Code Article 230.67 States:
- All Service supplying dwelling units shall be provided with a surge protective device (SPD).
A dwelling unit is defined as every unit that provides a complete and independent living facility for one or more individuals. Examples include houses, apartments, mobile homes, dorm rooms and any other units that provide means of living, sleeping, cooking and sanitation. - The surge protective device shall be an integral part of the service equipment or shall be located immediately adjacent to it.
- Surge Protective Device shall be Type 1 or Type 2 SPD.
Type 1 and Type 2 SPDs are permanently connected devices intended for installation between the service transformer and branch panel (Type 1) or on the load side of the branch panel (Type 2).
All acceptable SPD type 1 or Type 2 devices are tested, validated and listed to the UL 1449 standard.
Type 3 SPDs, such as cord-connected surge strips, do not satisfy the new NEC 2020 Code requirement.
Resources
Video Surge Protective Devices NEC Code 2020
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Surge Protective Devices NEC Code 2020
Learn about the changes to the 2020 National Electrical Code requiring whole-house surge protection.
