. 4.
Clearance distance: Creepage distance:
..208: Example 8:
172 ________________
\
\
\
\
\
/
/
/
/
/
■ ..
Rule: Clearance the shortest direct air path over the top the
barrier
Fig..Fig..209: Example 9:
> mm— —
UJ
Gap between head screw and wall recess wide enough taken into
account. 4.■1
1 A________1
Condition: Creepage distance through uncemented joint less than
creepage distance over barrier
