Toshiba T2N - Manual (Page 78)

4.Installation and Wiring
User’s manual 63
(1) Installation of a Conductive Panel.
When the mounting frame itself has good conductivity, and is not in
common use with the earths of other power systems, proceed as below.
Power supply module
Conductive panel
(mounting frame)
Screws in 4 locations
(unpainted)
FG connection (when not on the same panel)
Dedicated ground
When not on the
same frame as
the basic unit,
insulate the
installed portion
and connect
between FG
terminals, via the
shortest distance
When the mounting frame does not possess good conductivity, or when
the frameground is a power system earth or is an unstable ground, use
the insulated installation shown in (2).
NOTE
4.6
Grounding Methods