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<br /> Enphase's latest generation microinverters feature integrated (DC isolated}Ground. Because the DC
<br /> circuit is isolated and insulated from ground, these microinverters do not require a Grounding Electrode
<br /> Goncluc�or{GEG}connected bstween each micrainverter.This means yau dan't need to attach a
<br /> separate copper grounding canductor to each microinverter or worry about a continuous run to ground.
<br /> The result is faster installation with (ower ma#erials costs and a safer system_
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<br /> Solar installers must comply with the National Electrical Code (NEC)when installing Enphase
<br /> Microinverters. Enphase Microinverkers with Integrated Ground meet the requirements specified far
<br /> Ungrounded PV Power Systems in sections 690.35 and 690.41 of the 2008, 2011 and 2014 NEC. It also
<br /> meets the Underwriters Laboratory(UL)Standard 1741 grounding requirements.
<br /> For further information, refer to the whitepaper on Enphase Microinverters and Ungrounded PV Arrays
<br /> and other materials at uvww.enQhase.corrt/Groundinq.
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<br /> Enphase Micrainverters ship wifh DC and
<br /> AC cables and connectors. The DC connectors attach ta the PV module,while the AC cpnnector attaches
<br /> dEreetly to#he EngageT'" Cable. 1t's#hat simpl�:no addifianal cabling is needed.
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<br /> Electrica!code reguires two ty�es of�rounding conductors:the Grounding Electrode Conductor{GEC},
<br /> which is used between the graunding eEectrode and the poinf where a normal(y current carrying conductor
<br /> is in#entionally bonded to ground and the Equipment Grounding Conductor(EGC),which grounds non-
<br /> current carrying rnetaE parts of the system, such as the racking and madule frames.
<br /> Because Enphase Micrainverters with Integrated Ground have DC integrated ground,they do not require
<br /> a GEG. However elec#rical code stiil requires#hat exposed metal in the array be grounded {tUEC 690.43
<br /> and 250.136(A)).This requirement is met for the microinverter because the ground conductor internal to
<br /> the Engage Cable acts as the EGC. !t rrzay be me#far racking and modules wi#h use of an EGC or
<br /> WEE�s to provide bonding fo this ground system.
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<br /> IO 2014 Enphase Energy Inc. All rights reserved. January 2094
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