| GRADE | SIZE | WIRE OF TYPE | TYPE K | TYPE J | TYPE E | TYPE T | TYPE R |
| EXTENSION | 22AWG | 4/28 STRANDED | VX- PP-22S | JX- PP-22S | EX- PP-22S | TX- PP-22S | RX-PP-22S |
| EXTENSION | 20AWG | 7/28 STRANDED | VX- PP-20S | JX- PP-20S | EX- PP-20S | TX- PP-20S | RX- PP-20S |
| THERMOCOUPLE | 30AWG | SOLID | K- PP-30 | J- PP-30 | E- PP-30 | T- PP-30 | - |
| THERMOCOUPLE | 28AWG | SOLID | K- PP-28 | J- PP-28 | E- PP-28 | T-PP-28 | - |
| THERMOCOUPLE | 24AWG | SOLID | K- PP-24 | J- PP-24 | E- PP-24 | T- PP-24 | - |
| THERMOCOUPLE | 24AWG | 7/32 STRANDED | K- PP-24S | J- PP-24S | E- PP-24S | T- PP-24S | - |
| THERMOCOUPLE | 22AWG | SOLID | K- PP-22 | J- PP-22 | E- PP-22 | T- PP-22 | - |
| THERMOCOUPLE | 22AWG | 4/28 STRANDED | K- PP-22S | J- PP-22S | E- PP-22S | T- PP-22S | - |
| THERMOCOUPLE | 20AWG | 7/28 STRANDED | K- PP-20S | J- PP-20S | E- PP-20S | T- PP-20S | - |
| THERMOCOUPLE | 20AWG | SOLID | K- PP-20 | J- PP-20 | E- PP-20 | T- PP-20 | - |
| THERMOCOUPLE | 16AWG | 4/22 STRANDED | K- PP-16S | J- PP-16S | E- PP-16S | T- PP-16S | - |