Alpha Technologies BD-8 - Manual (Page 20)

3. Installation
20 031-032-C2-002 Rev. B
Fig. 3-4 System Grounding
3.4.1 Electrical Service Connection, continued
3.4 Utility Powering, continued
3. Connect the #6 green ground wire to the large terminal on the ground bar.
4. Notify the electrical inspector to approve the service entrance wiring. Once
approved, contact the local power utility for electrical service.