Catalog Number	Service Voltage (VAC)	Maximum Length (ft)	Maximum Maintain Temperature (°F)	Maximum Intermittent Exposure (°F)	T-Rating*
HLT3	120	395	250	375	T3
HLT23	240	785	250	375	T3
HLT5	120	310	250	375	T3
HLT25	240	620	250	375	T3
HLT8	120	225	250	375	T3
HLT28	240	460	250	375	T3
HLT10	120	190	250	375	T3
HLT210	240	375	250	375	T3
HLT12	120	170	250	375	T3
HLT212	240	335	250	375	T3
HLT15	120	135	250	375	T3
HLT215	240	270	250	375	T3
HLT18	120	125	250	375	T3
HLT218	240	245	250	375	T3
HLT20	120	105	250	375	T3
HLT220	240	210	250	375	T3

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