Nassau National Cable is having a sale on alot of their products. Since most of us use MHF for the shops here's the link. I haven't found it cheaper anywhere else. Just ordered some for my shop. Now to gather the rest of the parts needed to wire the shop.
nassaunationalcable.com
2-2-2-4 Aluminum Mobile Home Feeder Cable
Specifications : Cable Construction : 2-2-2-4, Phase Conductor; Insulation (mils) : 60, Insul. Phase Conductor; Diameter (inches) : 0.390, Insul. Grounded (Neutral) Conductor; Diameter Inches : 0.390, Insul. Equipment Grounding Conductor; Diameter Inches : 0.290, Cable Diameter Inches : 0.944...
nassaunationalcable.com