The following reveals the items found in each of the emergency boxes in the game, so you won’t ever waste a plug on an E-Box that doesn’t have what you need.
Green E-Boxes (Medical Supplies)
Conrol Room Hall:
Hemostat 2
Med. Pack M 2
Rec. Aid 2
Resuscitation 2
Research Area Hall:
Recovery Aid 1
Intensifier 2
Resuscitation 2
Experiment Room Hall:
Resuscitation 1
Recovery Aid 1
Intensifier 1
Med. Pack M 2
Hemostat 2
Central Stairway:
Hemostat 1
Intensifier 1
Recovery Aid 2
Resuscitation 1
Power Frequency Room:
Resuscitation 1
Recovery Aid 4