T4、T5、T8灯管等是怎么定义的？

d601022246

T4、T5、T8等是如何定义的？ 一直很不明白。

oahemr

Table 500.8(C) Classification of Maximum Surface
Temperature
Maximum Temperature
Temperature Class
°C °F (T Code)
450 842 T1
300 572 T2
280 536 T2A
260 500 T2B
230 446 T2C
215 419 T2D
200 392 T3
180 356 T3A
165 329 T3B
160 320 T3C
135 275 T4
120 248 T4A
100 212 T5
85 185 T6

is it? if it is, it represents the temperature code...normally, hazardous location uses it...