How to Wire a REDARC BCDC Alpha 100 R (Step-by-Step Install Guide)
December 5, 2025 · 15 min · 5K views
Hands finalize REDARC BCDC Alpha 100 R connections with coiled cables.
What this video covers
Installing a REDARC BCDC Alpha 100R DC-DC charger requires transitioning from larger gauge cabling to the unit’s maximum 4-gauge terminal input.1:48 To maintain a secure connection capable of handling 100 amps, use a parallel splice connector to join the larger supply wire to the 4-gauge lead.7:05 This method aligns with manufacturer recommendations for reducing wire size at the terminal.8:02
The installation process involves crimping wire lugs onto positive and negative cables, applying heat shrink, and connecting the unit to a Victron Lynx distributor and the included shunt.3:56 Data cables, including the battery sense lead, connect directly to the positive bus bar of the Lynx distributor.13:15 When mounting to the distributor, stack the wire lug and fuse directly on the stud without intermediate washers, then secure with a nut and lock washer.10:15 Torque all electrical connections to manufacturer specifications to ensure system integrity.10:33 Proper wire management using clamps and strain relief is necessary to secure the installation to the backer board or enclosure.14:32
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