M215 Installation and Operation
2013 Enphase Energy Inc. 141-00012 Rev 05
Step 3: Position the Enphase Engage Cable
The Engage Cable is a continuous length of 12 AWG (2.5 mm
2
), 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 connectors, and the Engage
Cable is terminated into the junction box that feeds electricity back to the system AC disconnect.
NOTE: Make sure you are using the correct cable type. Installers must order Engage
Cable for either 240 VAC single phase, typical for residential applications or 208 VAC
three phase, typical for commercial installations. All drop connectors on the Engage
Cable bear labels indicating the cable type.
a. Lay the Engage Cable along the route it will travel, positioning the connectors so that they
align with the PV modules.
WARNING: Plan the AC branches so that they do not exceed the maximum number of
microinverters in an AC branch circuit as listed on page 27 of this manual. You must
protect each microinverter AC branch circuit with a 20 amp maximum breaker.
NOTE: Many PV modules have a central stiffening brace. In these cases, do not position the
connector and microinverter at the exact center of the PV module. Instead, position the drop
connectors so that the connectors do not conflict with the braces.
b. PV 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 PV modules are used, it may be necessary to account for excess cable by looping
the cable at suitable intervals.
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