【Safety Certification】About UL Certification for Label.

There are two common CCNs for Label in UL Certification, one is PGDQ2, the other is PGJI2.  Do you know the different from them?
 

• PGDQ2

Product Name: Marking and Labeling Systems
 
This category covers finished printed adhesive-attached labels that intended to provide warnings, instructions and other information subject to permanence of marking requirements.
 

• PGJI22

Product Name: Marking and Labeling Systems - Printing Materials
 
This category covers adhesive-attached label materials, and printed labels that have been investigated in combination with specific inks for adding information to the label materials using compatible printing equipment.
 
Only unprinted (blank) areas of the label material are suitable for additional printing, except where otherwise specified.
 
The labels are intended to provide warnings, instructions and other information subject to permanence of marking requirements.
 
[Note]

• The basic standards for PGDQ2:

- UL 969, Marking and Labeling Systems
 

• The basic standards for PGJI2:

- UL 969, Marking and Labeling Systems
 
GCS Safety Team