IQ8AC/IQ8HC Installation and Operation Manual
25 © 2023 Enphase Energy Inc. All rights reserved. June 2023
USM-00005-2.0
IQ Cable planning and ordering
The IQ Cable is a continuous length of double-insulated, outdoor-rated cable with integrated connectors for
microinverters. These connectors are preinstalled along the IQ Cable at intervals to accommodate varying
PV module widths. The microinverters plug directly into the cable connectors.
Connector spacing options
IQ Cable is available in three connector spacing options. The gap between connectors on the cable can be
1.3 meters, 2.0 meters, or 2.3 meters. The 1.3 meter spacing is best suited for connecting PV modules
installed in portrait orientation, while the 2.0 meter and 2.3 meter spacing allows you to install in landscape
orientation for PV modules with 54-cell/108-half-cell, 60-cell/120-half-cell, 66-cell/132-half-cell, 72-
cell/144-half-cell configurations.
IQ Cable options
The IQ Cable ordering options include as follows:
Cable model
PV module orientation
Single-phase
Q-25-10-240 1.3 m Portrait 240
Q-25-17-240 2.0 m Landscape (60-cell) 240
Q-25-20-200 2.3 m Landscape (72-cell) 200
Multi-phase
Q-25-10-3P-200 1.3 m Portrait 200
Q-25-17-3P-160 2.0 m Landscape (60-cell) 160
Q-25-20-3P-160 2.3 m Landscape (72-cell) 160
The cabling system is flexible enough to adapt to almost any solar design. To determine the cable type
you need, apply the following considerations:
• When mixing PV modules in both portrait and landscape orientation, you may need to
transition between cable types. See the preceding table for available cable types.
• To transition between cable types, install a Field Wireable Connector pair.
• In situations where portrait modules are widely spaced, you may need to use landscape-
spaced cables for the portrait-oriented PV modules and create loops of excess cable, if
needed.
WARNING: Do not form loops smaller than 120 mm in diameter.
IQ Cable accessories
The IQ Cable is available with several accessory options for ease of installation, including:
• Raw IQ Cable (Q-25-RAW-300 for single-phase, Q-25-RAW-3P-300 for multi-phase): Length 300
meters. Raw cable with no connectors (optional).
• Field Wireable Connectors (male and female; single-phase: Q-CONN-R-10M and Q-CONN-R-10F;
multi-phase: Q-CONN-3P-10M and Q-CONN-3P-10F)
• IQ Cable Clip (ET-CLIP-100): Used to fasten cabling to the racking or to secure looped cabling.
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