Surge Protectors

Match the surge protector's joule rating and clamping voltage to your needs: higher joules (400+ for multiple or expensive devices) give longer protection, and lower clamping voltage (400V or less) means earlier clamping of spikes; also check the number/type of outlets, spacing for large adapters, and whether you need USB/USB-C charging ports or network/coax protection

Aim for at least 200–400 joules for basic home electronics and 600+ joules for computers, home theaters, or multiple connected devices; response time is usually measured in nanoseconds—faster is better, but prioritize joules and legitimate safety certifications over small differences in response time

Power strips provide extra outlets but may not include surge suppression; surge protectors include suppression components that degrade after clamping events, and typical lifespans vary from a few years to a decade depending on surge exposure—many models include an indicator or end-of-life indicator to show when protection is no longer effective

Look for independent safety certifications such as UL 1449 for surge protective devices, thermal fuses or circuit breakers for fire safety, and features like EMI/RFI noise filtering, protected status indicator lights, and warranties that cover connected equipment

No—high-current appliances (HVAC, refrigerators, space heaters, microwave ovens) should be plugged directly into a dedicated wall outlet; surge protectors are intended for electronics with lower continuous current draw and may overheat or overload with heavy appliances

Many surge protectors include a warranty or connected-equipment protection policy that pays for damaged devices if the protector fails; read the terms for coverage limits, required registration, and exclusions (e.g., improper installation or lack of grounding)

Choose form factor based on use: wall-mounted or compact units save space for single-location needs, rackmount models suit server/network cabinets, and longer cord/portable strips are better for flexible workstation setups; ensure the unit's power rating and features match your installation