GE Industrial Solutions GE Zenith Series DPB - Manual (Page 15)

7 Installation & Operation Manual, GE Series DPB Busway
March 25, 2013, Rev 0 GE Confidential
Series DPB Busway Installation & Operation Manual
HORIZONTAL BUSWAY INSTALLATION
See Figure 2. For busways installed flat wise or horizontally, maintain the following clearances.
A minimum clearance of 6 inches (153mm) from top of bus to ceiling.
A minimum clearance distance of 1 inch (26 mm) from the back of the busways to the edge of the wall.
A minimum clearance distance of 6 inches (153 mm) from the center-point of one busway run to
the next when mounted in a stacked configuration, one above the other.
1.0"
6"
ceiling
w
all
underside of busway
Tap Off box insertion
6"
bus rail A
bus rail B
Figure 2 - Horizontal Busway Installation
Example A/B Horizontal Busway Installation