A nice touch is the 500A rating, which lets you run heavy equipment with confidence.
Westinghouse 280C209G02 Two-Stator Watthour Meter Type D4B-2FM 120V 3W See pics
You will find that the UE10-3OS2D0 mates cleanly with common plug-in sockets used in many panels.
A nice touch is the clear labeling on the Dold LG5925 Series, which makes wiring less stressful for beginners.