E
Engineer54
Any voltage tester from a decent manufacturer, with an actual voltage reading, rather than a voltage band indication, based on led lights!!
For an apprentice, (as indicated in the OP) it doesn't need to be the ''best'' or a ''top of the range'' unit either!!!
For an apprentice, (as indicated in the OP) it doesn't need to be the ''best'' or a ''top of the range'' unit either!!!