Pepperl+Fuchs 6000 SERIES Installation And Operation Manual page 15

6000 Series Purge/Pressurization System
No wiring is to be in
the area between the
terminals
WARNING: To prevent ignition of the flammable
atmospheres, the wiring method must ensure
Warning
that if any wire is disconnected and extended to
the opposite terminal, a 2" (50.8 mm) separation
must be maintained.
I.S. wiring
Non- I.S. wiring
Incoming ground wires
should be terminated into
the supplied wire nut
EPCU
Maintain a minimum space of 2" (50.8 mm)
between the I.S. wiring and the non - I.S. wiring.
Attention
Make sure that the wiring is neatly tucked into
the explosion-proof housing. Use wire ties if
necessary. As a rule, no wires are to be in the
area between the two terminals, as shown
above.
I/O Manual
11