Notable 2020 Electrical Code Updates
The National Electric Code (NEC), the nation’s code for electrical installation, updates electrical codes every three years. These updates enhance the protection of people and property when dealing with electrical hazards in your home or business. Here are 10 notable electrical code updates included in the 2020 NEC electrical code:
- To promote the safety of emergency responders in the event of an emergency, it is mandatory to have exterior power disconnect switches in all newly built residences.
- To encourage the safety of electrical workers, alterations to service disconnect regulations regarding de-energizing panel boards have been modified.
- Load calculation tables have been altered to accommodate modern energy-efficient technologies, including the rise in LED usage.
- A general requirement has been included to cover exposed cables on walls and ceilings.
- All 125- and 250-volt receptacles supplied by a single-phase circuit of 150 volts or less, including basement receptacles placed in an unfinished basement, are required to be equipped with GFCI protection.
- A new regulation has been implemented concerning modern Ethernet cables that transmit electrical power and data simultaneously.
- As solar energy storage technologies evolve, the requirements for solar-generated energy storage are continuously revised, including the Tesla Powerwall home battery.
- Requirements regarding surge protection have been modified to increase the protection of sensitive safety equipment, including hard-wired smoke detectors.
- A new addition in the code depicts how homeowners are permitted to transfer power from their electric vehicle batteries to their wiring.
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