© 2024 Enphase Energy Inc. All rights reserved.
January 2024
140-00277-03
17
HCS Installation and Operation Manual
Wiring instructions (hardwired)
Route the HCS conduit to a nearby junction box. Use the included ½" trade size watertight conduit tting and sealing
washer to provide a moisture-resistant seal between the conduit tting and the junction box. If necessary, drill a ⅞" diameter
hole to accommodate the conduit tting. For outdoor installations, ensure the junction box is fully sealed using appropriate
electrical grade silicone sealant.
Before connecting the service conductors, please carefully read the section of this manual titled Installation - Service
connections. If unsure of the type of power provided at the service panel, please consult with the local utility or call a
Service Representative for assistance.
The three supplied HCS-40 service conductors use stranded 10 AWG 90°C copper wire.
The three supplied HCS-50, HCS-60, and HCS-80 service conductors use stranded 8 AWG, 90°C copper wire.
The insulation of each conductor is color-coded for standard 240 VAC installation:
Green: Ground
Black: Line 1 (120 VAC to Ground)
Red: Line 2 (120 VAC to Ground)
Figure 6:
Wiring the EVSE in a junction box
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