GE Optima CT680 Series - Rear Entry with Surface Floor Duct

GE COMPANY
DIRECTION 5472001-1EN, REVISION 6OPTIMA CT680 SERIES AND OPTIMA CT670 INSTALLATION MANUAL
Page 84 Section 12.0 - Rear Entry Cable Box
12.1 Rear Entry with Surface Floor Duct
An OSHA ramp is required. The ramp must have 1’ run of slope for each 1" rise in height.
Figure 1-65 OSHA Ramp Example