cuprum-nickel
TC
cuprum-nickel
JC
cuprum-nickel
EC
nickel-alum
KC
silicon/
nickel-silicon
silicon
NC
platinum
or
R
cuprum-nickel
SCB
RCA
RCB
Platinum-rhodium 6%
cuprum-nickel
cuprum-nickel
| Couple | Material of extension conductors or compensation cables | Sym | Standard | |||
| Material | Sym | + | - | IEC 60 584 | ANCI / MC 96.1 | |
| Cuprum/ cuprum-nickel | T | Cuprum | cuprum-nickel | TX TC | | |
| Iron/ cuprum-nickel | J | Iron | cuprum-nickel | JX JC | | |
| Nickel-chro cuprum-nickel | E | Nickel-chro | cuprum-nickel | EX EC | | |
| Nickel-chro nickel-alum | K | Nickel-chro | nickel-alum | KX KC | | |
| Iron | cuprum-nickel | KCA | | |||
| Cuprum | cuprum-nickel | KCB | | |||
| Nickel-chro silicon/ nickel-silicon | N | Nickel-chro silicon | nickel-silicon | NX NC | | |
| Platinum-rhodium (10-13%)/ platinum | S or R | Cuprum | S or R cuprum-nickel | SCA SCB RCA RCB | | |
| Platinum-rhodium 30%/ Platinum-rhodium 6% | B | Cuprum | Copper alloy | BC | | |
| Standard DIN 43710 | ||||||
| Cuprum/ cuprum-nickel | U | Cuprum | cuprum-nickel | UX | | |
| Iron/ cuprum-nickel | L | Iron | cuprum-nickel | LX | | |