HP E8400A C-Size VXI Mainframe User And Service Manual page 14

Connecting the
HP E8400A to a
Permanent Earth Ground
Figure 1-3. Connecting the HP E8400A to a Permanent Earth Ground
WARNING
14 Using the HP E8400A Mainframe
The mainframe must be connected to a permanent earth ground for line
frequencies greater than 66 Hz. This connection is made on the back of the
mainframe:
1. Connect a 16 AWG (1.3 mm or larger) wire to the PEM nut shown in
Figure 1-3. The wire must be green with a yellow stripe, or bare (no
insulation). Use a m4 x 10 screw, grounding lug, and toothed washers
(or toothed lug) as shown in the Figure.
2. Attach the other end of the wire to a permanent earth ground using
toothed washers or a toothed lug.
For protection from electrical shock when operating at
frequencies greater than 66 Hz, connect the chassis ground
terminal to permanent earth ground.
Chapter 1