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Business Stream Products <br />Renewable and Solar Technology <br />TÜV Rheinland PTL <br />Photovoltaic Testing Laboratory <br />2210 South Roosevelt Street <br />Tempe, Arizona 85282 <br />Main Phone: 480-966-1700 <br />Main Fax; 775-314-6458 <br />Email: info@tuvptl.com <br />TÜV Rheinland <br />North America Holding, Inc. <br />1 Federal Street <br />Boston, MA 02110 <br />Main Phone: 617-426-4888 <br />Main Fax: 617-426-6888 <br />Member of <br />TÜV Rheinland Group <br />Attn: John Nagyvary <br />Unirac Inc. <br />1411 Broadway Blvd <br />Albuquerque, NM 87102 <br />Phone: +505 242 6411 <br />Email: john.nagyvary@unirac.com <br />Email: <br />MWitt@us.tuv.com <br />December 19, 2014 <br />UL SU 2703 Fire TestingCompleted <br />Type of Equipment: PV Mounting System <br />Model Designation: Unirac Roof Mount <br />Test Requirement: UL Subject 2703, Issue 2 <br />TÜV Rheinland File Number: <br />L1-URC140731-RM <br />TÜV Rheinland Project Number: <br />URC140731 <br />Dear Mr. Nagyvary, <br />This letter is confirmation that the Unirac Roof Mount (RM) PV Mounting System has <br />successfully completed fire testing according to the UL Subject 2703 with references from <br />UL1703 rev. May 2014 standard. <br />Congratulations on this achievement. <br />The Unirac Roof Mount (RM) PV Mounting System has demonstrated compliance with a <br />Class A Fire Rating when installed with the following Fire Types: <br />x Type 1 <br />x Type 2 <br />x Type 3 <br />Complete test results, including any necessary mitigation measures for the fire rating, can <br />be found in report R1-URC140731-RM. <br />This correspondence may be used as a Letter of Compliance (LOC) indicating the Unirac <br />Roof Mount (RM) PV Mounting System has met the relevant system fire requirements. <br />Sincerely, <br />Mark Witt <br />Engineering Manager <br />TÜV Rheinland PTL, LLC <br />Rapid shutdown is built-in <br />What’s new in NEC 2014? <br />NEC 2014, Section 690.12 applies <br />to PV conductors over 10 feet from <br />the PV array and requires that the <br />conductors power down to 30 volts <br />and 240 volt-amperes within 10 <br />seconds of rapid shutdown initiation. <br />Enphase® Energy // Rapid Shutdown <br />® <br />To learn more, visit enphase.com <br />The 2014 edition of the National Electrical Code (NEC 2014) added <br />new rapid shutdown requirements for PV systems installed on buildings. <br />Enphase Microinverters fully meet rapid shutdown requirements in the <br />new code without the need to install any additional electrical equipment. <br />Enphase comes standard with rapid shutdown capability <br />Residential Microinverter Commercial Microinverter <br />All Enphase microin- <br />verters, even those that <br />were previously installed, <br />inherently meet rapid <br />shutdown requirements, <br />no additional equipment <br />or workarounds needed <br />Enphase microinverters <br />can safely shut down <br />automatically, leaving <br />only low-voltage DC <br />electricity isolated to <br />the PV module <br />String inverters require work arounds for rapid shutdown <br />Residential String Inverter Commercial String Inverter <br />Work around. <br />Specialized Rapid Shutdown <br />electrical box installed on the <br />roof within 10 feet of array. <br />Work around. <br />String inverter installed <br />on roof, a hostile <br />environment that string <br />inverters are not built <br />to live in.Work around. <br />:O\[VќZ^ P[JO[OH[PZ <br />LHZPS`HJJLZZPISL[VÄYZ[ <br />responders on the ground. <br />Work around. <br />Extra conduit in installation. <br />643 E. Flora Unit <br />#204/14/22