No. 2A201-519EN*A
31
7.5.3 Precautions
(1) The pit and duct must be electrically shielded.
(2) The pit and duct must be protected against flooding.
(3) The cover should be divided into sections approximately 1 meter in length.
100
100
100
100
Floor surface
Iron cover
Iron sheet
(Fixed to the floor
using bolts)
Iron sheet
(Fixed to the floor
using bolts)
Divided into approximately
1 meter sections
Figure 7.5-1 Sectional view of a sample wiring pit
