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Here’s what we’re working on and thinking about at Enphase.
June 2017
Keep Your Home Safe with Safe Solar

The fact that most people don’t think twice about their safety when plugging an electrical device into a wall outlet is no accident. Homes and businesses today are powered by standardized, safe alternating current (AC) electricity, but that was not always the case.

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Smart Inverters for California Rule 21

The State of California has been working on Rule 21 for over four years. This regulation mandates new safety features, as well as requirements for advanced grid functionalities (AGF) for inverters, and therefore affects solar installers and homeowners. It is important to note that Rule 21 governs interconnections made to California's Investor-owned utilities (IOUs), those regulated by the California Public Utilities Commission (PUC), like Pacific Gas & Electric Co. (PG&E), Southern California Edison (SCE), and San Diego Gas & Electric Co. (SDG&E).

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Enphase IQ Aggregator vs IQ Combiner Box Design Decision

Each improvement to the Enphase System brings time savings and materials savings to the installer. Within the IQ System, the latest generation of Enphase technology, we replaced a four-wire cabling system with plug-and-play two-wire cabling. A double-insulated polymer enclosure for the IQ Microinverter enabled us to eliminate the grounding conductor. Adding line-to-line communications between the Microinverters and the Envoy eliminated the neutral wire. These changes have helped make Enphase smarter, lighter, and faster than ever.

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