HDS distribution systems are a proven design that meet stringent industry standards ensuring best in class safety, durability and efficiency. Operating within a range of 12 to 1000 VDC and power capacity range from 5kW to over 1MW, this system is perfect for both low and high power. HD Supply has distribution centers and warehouses nationwide. We deliver the products when you need them the most with free, next–day delivery,* so you can stay on-site and focused on your business. It's ideal for moving cartons, totes and trays – achieving very high throughput rates. But what exactly is a power distribution box, and why is it so essential in our daily lives? The DB panel board controls the flow of electricity. Product materials: SPCC cold-rolled steel plate, 90% reduction profile frame, back panel, side panel, top and bottom plate 1. 0mm; galvanized installation plate nominal thickness 2. Whether you're adding new TV points or upgrading an outdated setup, understanding the options for distributing TV signals is key to a successful.