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Whole-Home Surge Protection · Alabama
A whole-home surge protective device (SPD) mounts at the panel and limits voltage spikes before they reach your circuits. The current National Electrical Code requires one for new and replaced services in dwellings; it works best paired with plug-in protectors for electronics.
Severe thunderstorms and tornadoes in spring, plus hurricane remnants in the south, make surge protection and generator hookups common requests.
Across the Southeast, homes deal with heat, humidity, frequent thunderstorms and hurricane season near the coast. Permit offices, utilities and housing stock differ by city, which affects how whole-home surge protection is planned and scheduled. These local guides cover the Alabama cities where we have written specific notes.
Central Alabama sits in one of the most active severe-weather zones in the country, and Birmingham's spring and late-fall storm seasons bring frequent lightning along with tornado warnings. Surges commonly take out heat pump boards, garage door openers, televisions and network gear.
Utility: Alabama Power
Mobile's frequent thunderstorms bring lightning that regularly damages AC control boards, pool equipment and electronics. A whole-home surge protective device at the panel, combined with plug-in protectors for sensitive devices, is the standard approach.
Utility: Alabama Power
Central Alabama storms bring frequent lightning, and surges are a common cause of damaged AC equipment and electronics in Montgomery. A whole-home surge protective device installed at the panel, backed by plug-in protectors, is the usual approach.
Utility: Alabama Power
North Alabama gets frequent spring and summer thunderstorms, and lightning surges are a common cause of damaged HVAC boards, appliances and electronics in Huntsville homes. Many households here also work from home with sensitive computer and network equipment.
Utility: Huntsville Utilities (city-owned, TVA power)
1. Check grounding
Grounding electrode and bonding are inspected.
2. Install the SPD
The device is mounted on a breaker or lugs with short leads.
3. Verify
Indicator lights and connections are checked.
Electricians set their own prices; local permit fees and utility requirements add to these factors.
Permits come from the city or county where the home is. For example: Birmingham: Inside city limits, electrical permits come from the City of Birmingham's Department of Planning, Engineering and Permits; Homewood, Mountain Brook, Hoover and other suburbs issue their own. Mobile: Inside city limits, electrical permits come from the City of Mobile's central permitting office; unincorporated Mobile County has its own process. Montgomery: Electrical permits inside city limits come from the City of Montgomery's inspections department; areas outside the city follow county rules. Huntsville: Electrical permits in Huntsville come from the city's Inspection Division; Madison and unincorporated Madison County have their own.
Birmingham: Alabama Power. Mobile: Alabama Power. Montgomery: Alabama Power. Huntsville: Huntsville Utilities (city-owned, TVA power).
No. It handles large surges at the panel; point-of-use protectors handle smaller ones near sensitive electronics.
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