Bosch B6512 Installation Manual page 15

Control panels
Notice!
Earth ground reference
Do not use telephone or electrical ground for the earth ground connection. Use 14 AWG (1.8
mm) to 16 AWG (1.5 mm) wire when making the connection
Use a grounding rod or a cold water pipe.
Run wire as close as possible to grounding device.
Callout ᅳ Description
1 ᅳ B520 Auxiliary Power Supply Module
2 ᅳ 14 AWG - 16 AWG (1.8 mm - 1.5 mm) wire
3 ᅳ Ground device (grounding rod or cold water pipe)
Wiring to the control panel
Notice!
Terminal wiring
Use the terminal strip labeled with PWR, A, B, and COM for SDI2 IN to wire to corresponding
control panel SDI2 terminals. Do not use interconnect wiring.
Use 12 AWG to 22 AWG (2.0 mm to 0.6 mm) wire.
Bosch Security Systems B.V. UL Installation manual
Power supply | en 15
2019-12 | 10 | F.01U.287.185