[BC] Fused plugs - was Hot and grounded chassis

[PeterH5322]

>But if  you look that the evolution of older, non-polarized home wiring, 
>many 
>times you never knew which side was truly neutral and no third-pin ground  
>existed -- which gave way to early equipment manufacturers double-fusing  
>their line cords.

A NEMA 1-15 receptacle has a large pin and a small pin.

The large pin is neutral/grounded conductor; the small pin is line.

I believe those double-fused plugs were made with two small pins.