Catalog Number	Service Voltage (VAC)	Maximum Length (ft)	Maximum Maintain Temperature (°F)	Maximum Intermittent Exposure (°F)	T-Rating*
LT3	120	325	150	185	T6
LT23	240	650	150	185	T6
LT5	120	270	150	185	T6
LT25	240	540	150	185	T6
LT8	120	210	150	185	T5
LT28	240	420	150	185	T5
LT10	120	180	150	185	T5
LT210	240	360	150	185	T5

Electrical equipment T-rating codes define the maximum surface temperature that equipment will reach. It is used in hazardous (classified) area applications.