Ill. Admin. Code tit. 83, § 460.520
a) Metering types and voltages. Workers with an MSP Class 2 Qualification are permitted to perform work on all Class 1 meter types, as well as:
b) Work to be Performed
c) Safety Skills
d) Essential Technical Skills
e) Determination of Essential Technical and Safety Skills
f) Meter Worker Certification and Re-certification Requirements