CTC Store Switch SB142 Benutzerhandbuch
MNX10015 / Rev B
4/11/2008
5
3. Grounding of the Switch Box: Ensure the shield ground wire on the SB142
Series Switch Boxes (Fiberglass Enclosures) is connected to earth ground.
Note: The SB242 Series Switch Boxes (Stainless Steel Enclosures) are
internally grounded to the enclosure.
Note: For SB142 Series Fiberglass Enclosure, customer is required to
supply wire from ground to shield ground lug, located on the outside of
the enclosure
.
Option 1. For SB142 Series Switch Boxes: When mounting the Switch Box to
earth ground (such as an I-Beam); mount the shield ground wire
behind one of the mounting brackets on the enclosure. (Figure 4)
behind one of the mounting brackets on the enclosure. (Figure 4)
Option 2. For SB142 Series Switch Boxes: When mounting the switch box to a
non- grounded structure, ensure the shield ground wire or customer
supplied ground wire is tied to a source of earth ground. (Figure 5)
supplied ground wire is tied to a source of earth ground. (Figure 5)
CTC
Vibration
Switch
Box
Figure 4. Ground Wire Placement
Earth
Ground
External Ground Cable
Figure 5. Earth Ground