jumper lead vs jumper cable

jumper lead and jumper cable both are nouns.

Word	Noun	Adjective	Verb	Adverb
jumper lead	Yes	No	No	No
jumper cable	Yes	No	No	No

As nouns, jumper lead and jumper cable are synonyms defined as:

jumper lead and jumper cable: a jumper that consists of a short piece of wire

Other synonyms of jumper lead include booster cable, lead.

jumper lead (noun)	jumper cable (noun)
a jumper that consists of a short piece of wire	a jumper that consists of a short piece of wire