Safe to re-use storage heater cable?

[ban-all-sheds]

How old is the cable? It would be odd for 4mm² to be used for one heater - might it be 7/.029?

 

[ralphius]

Have measured it with a micrometer and it was the imperial 7/029 cable.

 

[ban-all-sheds]

You'll find links to the characteristics of that cable here: https://www.diynot.com/wiki/Electrics:Old-Imperial-cable-sizes