This standard (Part 4 of ISO 4892) specifies a test method for exposing specimens to open frame carbon arc lamps. General rules are specified in JIS K-7350-1 (ISO 4892-1).
JIS K 7350-4:1996 history
2008JIS K 7350-4:2008 Plastics -- Methods of exposure to laboratory light sources -- Part 4: Open-flame carbon-arc lamps
1996JIS K 7350-4:1996 Plastics -- Methods of exposure to laboratory light sources -- Part 4: Open-flame carbon-arc lamps