Feature ¡´ With two power contacts, UL rated current up to 150 ampere.. ¡´ Conform the touch-safe standard of UL1977 (section 10.2). ¡´ With four auxiliary contacts, UL rated current up to 20 ampere. ¡´ Measure up the UL94V-0 fire rating. ¡´ Solid design that can be plugged up to 10000 times. ¡´ Comply with UL hot plugging standard. ¡´ Utilize anti-chemical plastic shell.