It often happens that cable railing projects involve corner posts where two different cable runs meet. It can be difficult to decide how to attach these cable runs at the corner post, especially for DIY installers who may not have experience with this situation. In this blog post, we’ll discuss three ways you can easily configure a corner post where two cable runs meet.
The first method we’ll talk about is the 3/16” Offset Method. This method is useful when the cable runs will have two swage stud assemblies intersecting at a single corner post. The result is visible fittings on both back sides of the post. One set of fittings will be slightly higher than the fittings on the adjacent side. The method involves marking your drill holes on both sides of the post as you would normally. Then, on one side of the post, drill the holes exactly on the drill guide marks you made. On the adjacent side of the post, start your drill holes about 3/16” above the guide marks you made, so the two boreholes are slightly offset from each other by 3/16”. This way, the components within the post won’t interfere with each other. Install your through-post components like normal.
The next method we’ll discuss is the Double Lag Method. As the name implies, this method uses two lag components that attach on adjacent sides of your corner post. This method is great if you don’t want any visible components on the back side of the post or if you don’t want to drill all the way through the post. To attach your cable runs, mark and drill guide holes as normal, install the lag receivers, and complete the ag assemblies. Since the components only sit 1-1/4” into the post, they will not interfere with each other, making this a very easy method to use.
The last method we’ll go over is the Lag-Through Post Method. This technique combines lag fittings for one cable run and through-post fittings for the other cable run. This will result in visible fittings on one back side of the post. This method is useful for avoiding visible components on one particular side of the post or if you can’t access one back side of the post. To use this method, mark guides on three sides of the post, two sides for the through-post components and one side for the lag components. Drill your holes, and then install the fittings like normal. Since the lag components don’t go all the way through the post, they will not interfere with the through-post fittings.
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