Installation Manual

UHI/UHO Series Installation | en 21
Bosch Security Systems User Manual F.01U.026937 | V 2.0 | 2007.01
a. To attach the external safety ground wire, remove the
nut, washers and the external ground wire lug from
the ground post.
b. Strip and crimp the external ground wire into the lug.
c. Reattach the ground connections in the order shown
in Figure 4.7.
Fig. 4.7 Safety grounding
4. Pull any excess wire out of the housing and tighten the fit-
ting to 8.5 Nm to 9.0 Nm (75 inch-lb to 80 inch-lb). This
torque rating is approximately one to one and a half turns
past the point where the fitting starts to grip the wire.
!
CAUTION!
For compliance with safety regulations, the external ground
wire must always be connected to the main ground post.
Nut
Lock washer
Flat washer
External ground lug
External ground post
i
NOTE!
Install the external ground in accordance with the NEC/CEC
requirements.