General Order 128
Definitions of Terms as Used in These Rule
22.5     Manhole means a subsurface enclosure in an underground
system containing working space large enough for a person to enter, which
provides space and access for installation and maintenance of cables, transformers,
or other equipment or apparatus (See Appendix B, Figure 9).
Note:     Revised October 9, 1996 by Resolution SU–40.