850°C glow wire test of diffuser of LED panel light

According to EN 60598-1:2008+A11, clause 13.2：

Resistance to heat:
External parts of insulating material providing protection against electric shock, and parts of insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently resistant to heart.

The temperature of the glow wire must be as follows:

750°C:
for general lighting in closed horizontal escape routes and stairways
for general lighting which covers more than 25 % of the building’s grounds

850°C:
for luminaires of general purpose in publicly accessible buildings

960°C:
for luminaires of general purpose that are installed in all emergency exits

SGSLight TLP LED panel adopts the PS diffuser with 850°C glow wire tested.