General Order 95
 
Section II
 
Definitions of Terms as Used in The Rules of This Order
 
22.2     Maintenance means the work done on any line or
any element of any line for the purpose of extending its life (excepting the
replacement of the supporting poles or structures) and includes the replacement,
for any reason, of crossarms, pins, insulators, wires, cables, messengers,
etc., but does not contemplate the addition of elements (excepting pole stubs
and guy wires) which will change the identity of the structure (see
Rules 12.2
).