Marathon Special Products 599/799 GP series single row terminal blocks specifications A Kulka® Brand, 15 amps, 300 Volts AC/DC, Class B, 150 Volts AC/DC, Class C, 799 series (riveted construction) 150 Volts AC/DC, Class C, Base, phenolic, 150°C (UL RTI), JJ (GDI-30F) material available, Screws, steel, #5-40 phil-slot, Terminals, plated brass, Open back design (Insulator strip required for voltage rating), 1-30 poles at 3/8" centers, Accepts lugs w/max width of .30" & Bare wire range #16-#22 AWG. The standards include UL recognized file no. XCFR2.E47811, CSA certified file no. LR19766, CE Compliant (IEC 60947-7-1) & RoHS compliant.