UL SUBJECT 1712-1999 Outline of Investigation for Tests for Ampacity of Insulated Electrical Conductors Installed in the Fire Protective System (Issue Number: 3)
2006UL SUBJECT 1712-2006 Outline of Investigation for Tests for Ampacity of Insulated Electrical Conductors Installed in the Fire Protective System Issue Number: 4
1999UL SUBJECT 1712-1999 Outline of Investigation for Tests for Ampacity of Insulated Electrical Conductors Installed in the Fire Protective System (Issue Number: 3)
1991UL SUBJECT 1712-1991 Outline of Investigation for Tests for Ampacity of Insulated Electrical Conductors Installed in the Fire Protective System (Issue Number: 2)