10 Important Updates From the 2020 Electrical Code
Mr. Electric of Grand Prairie recommends seeking professional help over time to ensure your home’s electrical system is up to date on the most current NEC updates. These new code developments keep your electrical system functioning safely and reliably, and our electrical technicians know all the 2020 code updates. If you want to avoid electrical issues and keep your family safe, you can read through our list of the 10 most important 2020 NEC electrical code updates:
- Exterior emergency power disconnect switches must be installed at all new one- and two-family dwellings. This measure is intended to make safer working conditions for emergency responders.
- Service disconnect rules concerning de-energizing panel boards have been altered to improve electrical worker safety; that includes your local Mr. Electric.
- Load calculation tables have been revised to reflect modern improvements in energy efficiency. The change is largely due to the widespread use of LED lighting, which is drastically more energy-efficient than older bulb types.
- A new general requirement has been instituted to cover cables exposed on ceilings and walls.
- Requirements for GFCI protection have expanded to include all 125- and 250-volt receptacles supplied by a single-phase circuit of 150 volts or less to ground.
- All basement receptacles must also have GFCI protection, regardless of whether the basement is finished.
- A new section has been added governing the use of modern Ethernet cables that transmit data and electrical power simultaneously.
- Requirements for solar-generated energy storage continue to be revised to keep pace with evolving home energy storage technologies, such as the Tesla Powerwall home battery.
- Surge protection requirements have been enhanced to protect sensitive safety equipment, such as hardwired smoke alarms.
- A new item in the code governs how homeowners may transfer power from electric vehicle (EV) batteries to residential wiring.
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