| Prefix |
Suffix |
Description |
| X |
|
Oversize
cold section or other special feature |
| |
EM |
Mounting
of hot-cold junction outside of thermal insulation |
| |
QT |
Factory
mounting of QHT-3 adapter (See ACCESSORIES
) |
| |
UG |
UL
ordinary locations listing tag** |
| |
UH |
UL
hazardous locations listing tag** |
| |
FH |
FM
hazardous locations approval tag** |
| |
CH |
CSA
hazardous locations approval tag** |
| |
CHB |
CSA
hazardous locations (Group B) approval tag** |
| |
UM |
UL
snow melting listing tag** |
