These requirements cover fuseholders intended for use with Photovoltaic Fuses as described in theOutline of Investigation for Low-Voltage Fuses - Fuses for Photovoltaic Systems@ Subject 2579.
UL SUBJECT 4248-18-2010 history
2010UL SUBJECT 4248-18-2010 OUTLINE OF INVESTIGATION FOR Fuseholders - Part 18: Photovoltaic (Issue 1)