What is the labeling scheme on these outlets?
On the first plug, the GLD is the panel name, and the 15,17,19 is the breaker spaces that it takes.  It is a 3 phase receptacle, but I cannot tell you what NEMA configuration it is.

Same goes for the 20 amp receptacle next to it, 1LB is the panel name and the 11 is the space in the panel the breaker is in.

The telcom labeling probably leads you the same way.