Standard DC Power Plugs Switchcraft Standard DC Power Plugs offer two conductor plugs in 0.1' (2.5mm) and 0.08' (2.03mm) pin sizes. The plug handles are available with black or white pin tips and black or red handles. The plugs also feature optional locking. The overall length available is 1.42' (36.07mm) or 1.7' (43.18mm).