Enphase Engage Cable Installation Manual
Contents
1. gt Appendix Sample Wiring Diagrams Sample Wiring Diagram 240 Vac 3SVHd 3195 Orc Ava9vIa 5NIaIM Q 13H u31n08 OL LU NOLLO3NNOO 13N83H13 LINDY Hid SSLZW ZL OLJAN 318v NO G3TIVISNI dV YOLVNIWYAL _ o eee se IEA 01 901 0 BU VIZ 01 L LZ Bul sabuei aui ag 2 3 PNL AY 104 sabeyoA au ejos Aue lt JO y pue aut o1 aui ay aunseauu 03 ae INYLHOJWI TINY ns 40 TANYd NOLLOBIHLSIO DY H TTE LINDYID HONYY9 838 u3xv3ug LINDYID r QnE 31872 YAMOd PPA OZ L N AVMaIVO L3NH31NI AOAN3 B EIL dWY 0 3108 2 TaNvd NOLLMAIYLSIG 2v HO Y31IW OL H XO8 ONNOUWD N3349 TWYLLAAN ILIHM QqasnNn 3M4 C1 L1 5v18 318V2 3SVHdN3 141 00013 Rev 03b Copyright Enphase Energy Inc 2011 Page 25 gt 00 N D E c c gt a E V ASWHd 334H1 802 WVYOVIC NI IM 0735 LINDYID HONV8G 839 SSLZW 9 OL dn 318V2 30 NO Q3TIVISNI dV2 amp OIVNIWHU3 es a 4 i L i i NJ 1 OL p NOIL2. e The number of Enphase Microinverters to be installed on the AC branch circuit Be certain to allocate the correct number of connectors including extra connectors for gaps and turns Additional length required to reach from the AC branch circuit junction box to the first microinverter If greater than half a connector interval is needed it may be necessary to allow for one or more unused connectors in order to span this distance Unused connectors must be covered with Enphase watertight sealing caps Additional length required to reach from one row of PV modules to the next If the PV modules are laid out in multiple rows the distance from one row to the next often requires additional cabling length e Bend radius When planning cabling turns or loops you must account for a minimum bend radius of 6 7 2 625 Multiple sub arrays Often the AC branch circuit may be composed of several smaller sub arrays across more than one roof plane In this case the cable is cut to service each smaller array and the sub arrays are connected together using appropriately rated lengths of conduit The transition from cable to conduit is accomplished using an outdoor rated AC junction box as required by the NEC and local code Unused connectors must be covered with Enphase watertight sealing caps e Mixture of PV modules in both portrait and landscape orientation When PV modules are installed in mixed orientation both portrait a
3. AC junction box AC junction box PV Load Center Main AC Load Center Page 20 Refer to the wiring diagrams located in the Appendix of this manual for more information NOTICE The Engage Cable uses a different wiring scheme than used with other Enphase Microinverters Be aware of the difference in wire color code The 12 AWG conductors are identified as follows L1 is sheathed in Black L2 is sheathed in red L3 is sheathed in blue 208 Vac only Neutral is sheathed in white and Ground is sheathed in green The grounding wire is used to ground the microinverters A WEEB or continuous ground is required in addition to this green grounding wire Balanced 208 VAC is accomplished by alternating phases between microinverters Black L1 Red L2 Blue L3 White Neutral Green Ground Black L1 Red L2 White Neutral Green Ground The green wire acts as equipment ground A continuous GEC for system ground is also required as described in the next step Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b gi Page 21 e enphase E is Step 8 Verification and Commissioning Prior to final connection to the utility grid ensure that NOTICE all AC and DC wiring is correct a b Ensure that of the AC and DC wires are pinched or damaged Ensure that all junction boxes are properly closed Ensure that all unused connectors are capped Ensure
4. Installation Manual Enphase Engage Cable and Accessories RGY Z 2 d Contact Information Enphase Energy Inc 201 1 Street Petaluma CA 94952 Phone 707 763 4784 Toll Free 877 797 4743 Fax 707 763 0784 http www enphase com info enphaseenergy com Other Information Product information is subject to change without notice All trademarks are recognized as the property of their respective owners Copyright 2011 Enphase Energy All rights reserved Page 2 Copyright Enphase Energy Inc 2011 141 00013 Rev 03b Table of Contents Important Safety Information hh hana aan nna nn 5 Regg el E ae ee E GNE PIE DUREE dU NINE UEM 5 Safety Inst uctlOfiS 5 rM 5 lg cigs side 4 5 The Enphase Engage Cable and 7 qe 7 Parts and TOOIS Rec _____ _ _ _ _ 7 EIgneniig _______ 7 5elecunma GoD TY DS __ _ __ _ ___ _ pM UE 3 Connector Spacing k kek t t EE 3 Voltage Types and Conductor Count 9 Racking
5. Lay the cabling along the route it will travel positioning the connectors so that they align with the PV modules b Module widths vary by manufacturer On the Engage Cable connectors are spaced at intervals to allow for the widest PV modules compatible with Enphase Microinverters If narrower modules are used it may be necessary to account for excess cable by adding a loop of cable at suitable intervals Step 4 Attach the Microinverters to the Racking a Mount the microinverters according to the microinverter manual Ensure both that the microinverter does not interfere with the PV module frames or stiffening brace and that the drop cable from the microinverter can easily reach the connector on the cable b Ground the microinverters using either a continuous unbroken grounding conductor or approved grounding washers Follow the methods described in the M215 Installation and Operation Manual at http www enphase com support downloads Page 14 Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b d Step 5 Dress the Engage Cable NOTICE Adhere to the following requirements Do not expose the connection to directed pressurized liquid water jets etc Do not expose the connection to continuous immersion Do not expose the AC connector to continuous tension e g tension due to pulling or bending the cable near the connection Use only the connectors and cables provided Do not allow contamination or debris i
6. PV modules PV racking and associated hardware you will need the following items Enphase equipment e Enphase Engage Cable See Selecting Cable Type on page 8 for options e Watertight sealing caps as needed for any unused drops on the cable e Terminators as needed for AC branch circuit cable ends e Cable clips e Enphase disconnect tool number 2 Phillips screwdriver can be substituted Other items e Outdoor rated weather proof AC junction box es e Grounding conductor e Torque wrench sockets wrenches for mounting hardware e Adjustable wrench or open ended wrench for terminators Lightning Surge Protection Lightning protection and resulting voltage surge are protected in accordance with EN 62305 1 It is assumed that the PV modules are installed in accordance with related standards and that the microinverter is a part of a broader lightning mitigation system in accordance with EN 62305 1 3 In some areas the statistical frequency of lightning strikes near a PV installation is high enough that lightning protection must be installed as part of an Enphase system In some areas a surge protection device might be mandatory following a risk analysis according NFC 15 100 art 443 amp NFC 15 443L Copyright Enphase Energy Inc 2011 141 00013 Rev 03b e enphase is Selecting Cable Type Enphase Engage Cable is available in two different voltage types and two connector spacing options Depending
7. Insert the screwdriver into one hole rock that side of the drop connector out then insert the screwdriver into the other hole and pull the connector out entirely DANGER Risk of Electrical Shock Do not leave the drop connector uncovered for an extended period If you do not plan to replace the microinverter immediately you must cover any unused connector with a watertight sealing cap Listen for two clicks as the connectors engage Page 22 Copyright Enphase Energy Inc 2011 141 00013 Rev 03b Page 23 d Technical Data System temperature range ambient Cable temperature rating Cable insulator rating Environmental protection rating UV exposure rating Conductor gauge Maximum current carrying capacity of the Engage Cable Maximum current carrying capacity of the drop cable on the microinverter Cable bundle diameter Drop connector dimensions Terminator cap dimensions Cable weights about 1lb 0 5 kg per drop 30 drop cable 40 drop cable 240 drop cable Copyright Enphase Energy Inc 2011 40C to 65C 40F to 149F 90C Dry 90C Wet THWN 2 IEC 60529 IP67 UL 746 C F1 12AWG 20 amperes 4 amperes 1 3 cm 0 525 11 8 cm x 6 0 cm x 3 2 cm 4 64 x 2 36 x 1 25 3 6 cm diameter x 5 1 cm tall 1 47 x 2 30 165 14 kg approximate 40 1605 18 kg approximate 240 165 110 kg approximate 141 00013 Rev 03b Page 24 Copyright Enphase Energy Inc 2011 141 00013 Rev 03b
8. that all connectors are properly seated Install the microinverters and commission the system as instructed by the Enphase Microinverter installation and operation manual Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b enphase EMER amp YF Disconnecting a Microinverter from the Engage Cable To ensure the microinverter is not disconnected from the PV modules under load adhere to the following disconnection steps in the order shown 1 Disconnect the microinverter AC connector from the Engage Cable 2 Cover the module with an opaque cover 3 Using a DC current probe verify there is no current flowing in the DC wires between the PV module and the microinverter NOTICE Care should be taken when measuring DC currents due to the fact that most clamp on meters must be zeroed first and tend to drift with time 4 Disconnect the PV module DC wire connectors from the microinverter 5 Remove the microinverter from the PV array racking 6 The microinverter connectors are tool removable only The installation kit includes a disconnect tool with two prongs To disconnect a microinverter from the cabling system insert these two prongs into the two holes in the cable connector Squeeze the sides of the disconnect tool to engage with the connector Rock the connector back and forth while pulling gently to disengage 7 If the disconnect tool is not available a 2 Phillips screwdriver can be used in its place
9. upon installer needs the cable is also available in different lengths The cable is installed by simply rolling out the desired length of cable and cutting it to size One end is wired directly into the junction box at the head of the branch circuit eliminating the need for a separate AC interconnect cable The other end is sealed from the environment using an Enphase Branch Terminator The microinverter AC cable connectors are then plugged into the regularly spaced connectors as shown Connector Spacing Options The gap between connectors on the cable can be either 1 025 meters 40 or 1 7 meters 67 The 1 025 meter spacing is best suited for connecting PV modules installed in portrait orientation while the 1 7 meter gap is best suited to PV modules installed in landscape orientation Cabling with connectors spaced at 1 025 meter 40 for PV modules in portrait orientation 1 025 meters 1 025 meters Cabling with connectors spaced at 1 7 meters 67 for PV modules in landscape orientation 1 7 meters 3 1 7 meters Page 8 Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b enphase ENERGY Voltage Types and Conductor Count The voltage types are either 240VAC split phase 208VAC three phase A
10. 23NNOO 13N93H 13 2 8 ISVHd DPA ZEL 01901 Jeneu SUI ILA EZZ 01281 eut oi sabuei dy ag PINOYS ILA 807 941 104 au 1uauudinbo 5 Aue 1 soud s1015npuoo 3914435 JO obe1Jo eui pue 1 eui 01 exe INYLHOdWI HNYd 8ns TANYd NOILDEIHISKI 2v QNhnOS5 WHLNSN 131449 A OZ AVM3IV9 LINYILNI V 2 3SVHd UNDYDD 838 dWV 0 3108 E L TANVd 1510 DY dO 8313W OL 9 3SVHd XO8 NOLLINNL aNNOY9 N3345 TWHLO3N 3LIHM 1 3N18 L1 5v18 318V2 3SVHdN3 141 00013 Rev 03b Copyright Enphase Energy Inc 201 1 Page 26 Enphase Energy Inc 201 1 Street Petaluma CA 94952 Phone 707 763 4784 TOLL FREE 877 797 4743 Fax 707 763 0784 www enphase com info enphaseenergy com
11. 240Vac service Check the labeling on the cable drop connectors to verify the cable type Page 12 Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b RGY Step 2 Install the Branch Circuit Junction Box DANGER Risk of Electrical Shock Be aware that installation of this NOTICE equipment includes risk of electric shock Do not install the junction box without first removing AC power from the Enphase System Use electrical system components approved for wet locations only NOTICE When stripping off the cable sheath make sure that the conductors are not damaged NOTICE Do not weigh down the cabling system NOTICE NOTICE Loose cables might become a tripping hazard Attach the power cables correctly Do NOT exceed the maximum number of microinverters in an AC branch circuit as listed on page 7 of this manual and protect each microinverter AC branch circuit with a 20 A maximum breaker a Size the AC wire gauge to account for voltage drop Select the correct NOTICE wire size based on the distance from the beginning of the microinverter branch circuit to the breaker in the load center All components of system wiring must be considered including internal voltage drop within the length of Engage Cable Typically three wire sections and several wire terminations must be quantified There is also some resistance associated with each OCPD OverCurrent Protectiv
12. COND TET 9 Cabling Length 5 9 Planning for Cable Lengths Type ek kek nnnm rn 10 Enphase Engage Cable and Accessories 11 PrO CCU Si oseed gt 12 Step 1 Measure AC at Service Entrance Conductors 12 Step 2 Install the AC Branch Circuit Junction BOX 13 Step 3 Position the Enphase Engage 14 Step 4 Attach the Microinverters to the Racking 14 Step 5 Dress the Engage Cable Cei Wipbiedesained ss rcs E 15 Step 6 Terminate the Unused End of the Engage Cable 17 Attaching the _______ _____ 17 Replacing or Removing the Terminator 19 Step 7 Connect the Engage Cable to Junction 5 19 Step 8 Verification and 21 Disconnecting a Microinverter from the Engage 22 TECNIC D IET 23 Appendix Sample Wi
13. connected to the power supply DANGER Damage to the latching mechanism cannot be seen with the NOTICE naked eye Label the opened terminator and dispose of it immediately to ensure that it cannot be reused accidentally The terminator is intended for one time use only NOTICE If you open the terminator again following the installation this will destroy the latching mechanism meaning that the unit then cannot be used again a Remove the terminator by cutting it off using a diagonal cutter set flush against the end of the cable b Replace the terminator as described in the previous steps beginning on page 17 Step 7 Connect the Engage Cable to Junction Box es Perform the following steps in accordance with NEC NOTICE regulations a Connect Engage Cable into the AC branch circuit junction box using an appropriate gland or strain E relief fitting The cable y requires a strain relief connector with an opening of 1 3 cm 0 5 inches in diameter b Connect the Engage Cable into additional junction boxes as needed to transition to conduit between smaller sub arrays Remember to adhere to branch limits for the microinverters being used Page 19 Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b Meter enphase ENERGY T m i gem _ Single AC branch circuit with smaller sub arrays joined to a single AC junction box Branch limit applies Multi Circuit AC Junction Box
14. cts to SN 3 2 3 RE microinverter Page 11 Copyright Enphase Energy Inc 2011 141 00013 Rev 03b elenphase RGY Installation Procedure Installing the Engage Cable and Accessories involves several key steps 1 2 4 6 p 8 Measure AC at Service Entrance Conductors Install the AC Branch Circuit Junction Box Position the Engage Cable Attach the Microinverters to the Racking Dress the Engage Cable Terminate the Unused End of the Engage Cable Connect the Engage Cable to Junction Box es Verification and Commissioning DANGER Risk of Electrical Shock Due to presence of exposed conductors DO NOT connect the Enphase Microinverters to the utility grid or energize the circuit s until you have completed all of the installation procedures as described in the following sections Step 1 Measure AC at Service Entrance Conductors Measure AC line voltage at the service entrance conductors Acceptable ranges are shown in the following table CLUB AAO 4 1 J 2 mes 4 m T A W WR uS mw u s gt 0 5 wit Fw EL wt L1 to L2 211 to 264 Vac L1 to L2 to L3 183 to 229 Vac L1 L2 to neutral 106 to 132 Vac L1 L2 L3 to neutral 106 to 132 Vac NOTICE Be sure the Engage Cable you are using matches the service at the site Use 208Vac cabling at sites with three phase 208Vac service or use 240Vac cabling at sites with
15. d or manipulated NOTICE Adhere to the following requirements e Use of the terminator assembly is the only method allowed to seal the conductor end of the trunk e Do not expose the terminator cap to directed pressurized liquid water jets etc Do not expose the terminator cap to continuous immersion Do not expose the terminator cap to continuous tension e g tension due to pulling or bending the cable near the terminator cap Do not install or use in potentially explosive environments e Do not allow the terminator to come into contact with open flame Use the terminator cap assembly only when all parts are present and intact e Fit the terminator cap using only the prescribed tools To attach the terminator a Check the terminator cap assembly for completeness It is made up of the individual parts shown a get AMT 7 EL Wire organizer Cap Cable seal b To guarantee the safety of the wire organizer and to ensure that it remains sealed please make sure that all parts are present and that all seals are seated correctly in the wire organizer The wire organizer must complete as shown Risk of Electrical Shock The terminator cap must not be installed while power is connected DANGER Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b e enphase RGY d c Strip at least 60 mm 2 5 inches of the shielding from th
16. e Device typically a circuit breaker As all of these resistances are in series they add together Since the same current is flowing through each resistance the total voltage drop is total current times the total resistance For a split phase system the total resistance is equal to two times the one way resistance For a three phase system each of the three line currents and resistances must be calculated NEC guidelines for voltage drop on feeder and branch circuit conductors will not be sufficient for microinverter branch circuits that contain the maximum allowable microinverters This is due to high inherent voltage rise on the branch circuit For more information refer to the Voltage Drop Calculations Application Note at http www enphase com support downloads Install an outdoor rated weather proof junction box at a suitable location on the PV racking system typically at the end of a row of modules Provide an AC connection from the junction box back to the utility interconnection using equipment and practice as required by the NEC and local jurisdictions Copyright Enphase Energy Inc 2011 141 00013 Rev 03b e enphase RGY Step 3 Position the Enphase Engage Cable NOTICE Many modules have a central stiffening brace In these cases NOTICE do not position the connector and microinverter at the exact center of the PV module but position the cable so that connectors do not conflict with the braces a
17. e conductors If the exposed wires are damaged NOTICE system function can no longer be guaranteed d Slide the hex nut onto the cable Insert the cable all the way into the wire organizer up to the stop f Bend the individual wires into the slots spaces on the wire organizer g Using a diagonal cutter trim wires to the correct length so that they fit cleanly into the slots spaces in the wire organizer h Press the cap onto the wire organizer bending the wires into the slots of the wire organizer If the wires resist being pressed into the cap you may need to trim the wires a little further using a diagonal cutter i Screw the hex nut onto the cap Never unscrew the hex nut as this can NOTICE twist and damage the cable j Insert a 2 Philips screwdriver into the slot on the cap to hold it in place Alternatively you can hold the cap firmly in place using the Enphase hand tool k Use a 24mm 7 8 inch wrench and tighten the nut until the latching mechanism has been screwed all the way to the base I Use a tie wrap or cable clip to attach the cable to the racking so that the cable and terminator do not touch the roof Page 18 Copyright Enphase Energy Inc 2011 141 00013 Rev 03b e enphase RGY Replacing or Removing the Terminator If the terminator must be replaced or removed observe the following Risk of Electrical Shock Never open remove or replace the terminator while it is
18. latching mechanisms have engaged NOTICE NOTICE NOTICE NOTICE The connector has not been designed for repeated linking and unlinking Make sure watertight sealing caps are installed on all unused AC connectors Unused AC connectors are live when the system is energized by the utility Do not use the shipping cap to cover unused connectors The shipping cap does not provide an adequate environmental seal Enphase watertight sealing caps included in the Installation Kit are required for protection against moisture ingress Enphase watertight sealing caps are IP67 rated Within the term IP67 IP indicates an Ingress Protection IP rating against dust and liquids This specific rating of IP67 indicates that this connector protects against all dust particles and immersion in liquid If you need to remove a watertight sealing cap you must use the Enphase disconnect tool or a 2 Phillips screwdriver Page 16 Copyright Enphase Energy Inc 2011 141 00013 Rev 03b Page 17 enphase E N E R amp G Y Step 6 Terminate the Unused End of the Engage Cable Attaching the Terminator NOTICE The terminator is intended for one time use only If you open the terminator following installation the latching mechanism is destroyed and the terminator cap cannot be used again If the latching mechanism is defective the terminator must not be used The latching mechanism must not be circumvente
19. ll cable connectors bear labels indicating their cable voltage designation Typically used for residential applications 240VAC includes four conductors This cabling should also be used for split phase 208VAC applications Three phase 208VAC cabling includes five conductors and is used for most commercial installations Because Enphase microinverters output onto two phases three phase cabling balances the phases by rotating conductor use from one microinverter to the next as shown in the following diagram In the diagram the three phases are labeled 1 2 and 3 Connector Connector Connector zo 1 2 2 3 3 1 Racking Compatibility Engage Cabling is compatible with a variety of racking systems For a list of approved PV module racking types refer to the Racking Compatibility document at http www enphase com support downloads Cabling Length Options Engage Cabling is available in shorter lengths with 30 40 connectors depending upon voltage type Longer lengths can be ordered and cut to suit per order Ordering options include 18 1 kg as as eei s x eem s x emm 9 x eem x Page 9 Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b RGY Planning for Cable Lengths and Type The Cabling System is flexible enough to adapt to almost any solar design To determine the length and cable type that you need take into account the following considerations
20. n the connectors Use the cable and connectors only when all parts are present and intact Fit the connection using only the prescribed tools release holes There are two release holes in the cable connector These holes are used to disconnect the connector Keep these release holes clear and accessible Attach the Engage Cable to the rack using the included clips you may use tie wraps The cable clips are designed so that the drop cable from the microinverter can also be dressed into the clip underneath the cable Dress any excess cabling in loops so that cabling does not contact the roof Tripping Hazard Do not leave the cabling to rest on the roof Loose cables might become a tripping hazard Attach the Page 15 power cables correctly Place tie wraps or clips on either side of the drop connector Use one or two additional clips tie wraps or other support scheme to secure the cable between connectors Remove the temporary shipping cap from the Engage Cable Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b Step 5 Dress the Engage Cable continued e Connect the microinverter and listen for two clicks as the two prongs engage Ensure that both latching mechanisms have engaged NOTICE f Repeat steps a through e for all microinverters in the branch g Cover any unused connector with a watertight sealing cap Listen for two clicks as the connectors engage Ensure that both
21. nd landscape orientation there are three choices for cabling 1 Cabling with 1 025 meter spacing between connectors results in cleanest install for the PV modules in portrait orientation For PV modules placed in landscape orientation plan for an unused connector between each PV module to accommodate the required additional distance Unused connectors must be covered with Enphase watertight sealing caps 2 Cabling with 1 7 meter spacing between connectors results in cleanest install for PV modules in landscape orientation but requires that any additional cable length between PV modules in portrait orientation be coiled and dressed so that cabling does not contact the roof Again unused connectors must be covered with Enphase watertight sealing caps 3 Another solution when PV modules are installed in mixed orientation is to transition between 1 025 and 1 7 meter spacing cable options using an outdoor rated junction box This junction box can be installed to the PV racking Page 10 Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b RGY Enphase Engage Cable and Accessories Installation Follow the instructions in this section to install the Engage Cable For information on microinverter installation refer to the M215 Installation and Operation Manual at http www enphase com support downloads terminator ia S connector tie wraps cabling 3 ZF gt conne
22. ring Diagrams 25 Sample Wiring Diagram 240 VaL meis OD a Usa AY RARE NE EX RU EY SE 25 Sample Wiring Diagram 208 Vac as nnns 26 Page 3 Copyright Enphase Energy Inc 201 1 141 00013 Rev 03b Page 4 Copyright Enphase Energy Inc 2011 141 00013 Rev 03b e enphase RGY Important Safety Information 5 Read this First To reduce the risk of electrical shock and to ensure the safe installation and operation of the Enphase System the following safety indications appear throughout this document Indicates a hazardous situation which if not avoided will DANGER result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if not avoided could result in minor or moderate injury Follow instructions closely to avoid damage or malfunction to the device and or damage to surrounding property NOTICE Safety Instructions For Your Safety A DANGER Risk of Electrical Shock Do NOT connect or disconnect the photovoltaic module from the Enphase Microinverter without first removing AC power from the photovoltaic system Electrical Installation Be aware that only trained solar professionals should install and or replace the Enphase Cabling System or connect the Enphase Microin
23. verter to the electrical utility grid Perform all electrical installations in accordance with all local electrical codes and the National Electrical Code NEC ANSI NFPA 70 The AC connectors on the cabling are rated as a disconnect only when used with an Enphase Microinverter Connect the Enphase Microinverter to the electrical utility grid only after receiving prior approval from the utility company and any applicable AHJ authority having jurisdiction Before installing the cabling read all instructions and cautionary markings in the user manual on the Enphase equipment and on the all other photovoltaic equipment NOTICE Copyright Enphase Energy Inc 2011 141 00013 Rev 03b Page 6 Copyright Enphase Energy Inc 2011 141 00013 Rev 03b enphase EMER Y gt The Enphase Engage Cable and Accessories Page 7 The Engage Cable is a continuous length of 2 5 mm2 12 AWG outdoor rated cable with integrated connectors for microinverters These connectors are preinstalled along the Engage Cable at intervals to accommodate PV module widths The microinverters plug directly into the cable connectors Compatibility The cabling is compatible with a variety of PV racking systems For a list of approved PV racking systems refer to the PV Racking Compatibility document on the Enphase website http www enphase com support downloads Parts and Tools Required In addition to the Enphase microinverters
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