UL508A contains two important requirements to consider when applying power distribution blocks. Spacing of 1 ̋ through air, 2 ̋ over surface (at 600V) is required when used in a feeder circuit (that's everything ahead of or on the line side of the final branch circuit overcurrent. If you have created multiple objects on a slide and you want to space them an equal distance apart, you can distribute them horizontally or vertically. Below is the Align command in PowerPoint 365 on a 17 inch screen: To. Master PowerPoint's distribute feature to space objects evenly. Learn the Distribute Horizontally and Vertically tools, keyboard shortcuts for Windows and Mac, and avoid common spacing mistakes. Even spacing. When applying Power Distribution Blocks (PDBs), there are various requirements that shall be satisfied, based upon different UL Standards, the NEC®, and the specific application.
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