UL588 conventional electrical performance testing items are as follows:
1) Leakage Current Test (180–2403–6508 V)
2) Leakage Current Following Humidity Conditioning
3) Input Test input test
4) Temperature Test temperature rise test
5) Dielectric Voltage-Withstand Test
6) Strain Relief Test
7) Wire Push-Back Relief Test
8) Abnormal Operation Test
9) Downward Burning Rate Test 4 inch vertical burning test
10) Secureness of Lampholder Contacts Test
11) Lampholder Millivolt Drop Test
12) Crush Test soft head extrusion test
13) Cascade Lamp Burnout Simulation Test
14) Rain Test
15) Flexing Test
Christmas Lighting UL588 Certification Scope:
Christmas tree UL certification
Christmas String Lights UL Listed
Christmas animal shape UL certification
Christmas House UL Certification
Star Lamp UL Certification
Jack-o-lantern UL certification
Halloween Ornaments UL Certification