RALOS
BOSS.12 Two Battery Bus Bar Kit
BOSS.12 Two Battery Bus Bar Kit
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SimpliPhi BB-2-12 Two Battery Bus Bar Kit
BOSS.12 two battery bus bar kit: Includes bus bar to terminal block wiring, one red, one black.
(bb-2-12) is 1/0, 60"
(bb-3-12) is 2/0, 45"
Number of PHI Batteries | Recommendation |
12 |
Order 4 x BB-3-12 busbar sets (4 positive, 4 negative) and 8 total 45”-long 2/0 cables with 3/8” lugs included (4 positive, 4 negative). |
11 |
Not supported, consider purchasing additional battery. |
10 |
Not supported, consider purchasing additional batteries. |
9 |
Order 3 x BB-3-12 busbar sets (3 positive, 3 negative) and 6 total 45”-long 2/0 cables with 3/8” lugs included (3 positive, 3 negative). |
8 |
Order 4 x BB-2-12 busbar sets (4 positive, 4 negative) and 8 total 45”-long 2/0 cables with 3/8” lugs included (4 positive, 4 negative). |
7 |
Not supported, consider purchasing additional battery. |
6 or fewer |
Use the BOSS.6 or follow BOSS.6 wiring guidance if considering expansion beyond 6 batteries in the future. |



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SHIPPING
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TIPS
For Generac Generator Installations only:
Generac Installation Checklist
Complete Permits
Additional considerations may include contacting
your homeowners association. The
installation cannot begin until all
required permits have been issued.
Permits include:
• Site Survey
• Electrical Permit
• Plumbing Permit
• Building Permit
Upgrade Fuel System
• Gas meter/LP tank (if required)
• Contact underground utility
locator
Disconnect
Electrical Service
• Day of installation
• Inspection (if required)
Install Generator
• Level chosen location
• Install base
• Mount transfer switch
• Run conduit and wiring
• Install fuel line
Follow Up
• Activation
• Demo a simulated outage and turnover the generator keys
• Fuel pressure check
• Final inspection (if required)
• Review service and monitoring
options