Installing a landscape feature such as a lamppost in the yard cannot only bring beauty to the lawn, but also a safety feature for the evening hours. One of the best ways to make the lamppost permanent is by placing it in a hole full of concrete. By following a simple process you can install a lamppost in concrete in an hour or less.
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Things you need
- Post-hole digger
- 24 inches flexible plastic pipe
- 120 lbs. strength quick concrete
Excavate a hole with the post-hole digger that is at least 18 to 30 inches deep and that allows for approximately 2 to 3 inches around the post's diameter. The taller the exposed post, the deeper and wider the hole should be. In other words, if the lamppost is to sit 7 feet above ground, you will want a deeper hole of 30 inches to hold the post firmly.
Fill the bottom 6 inches of the hole with the gravel, using the shovel. This will allow any water to drain from the lamppost and not cause it to rot from standing water. Dig a small trench alongside the hole for the wire inlet that is to power the lamppost. A short piece of plastic pipe, 24 inches long, can be laid in this short trench.
Place the lamppost into the hole and fit the plastic pipe, from the trench, into the access hole for the electrical pipe wiring. Place the level against the lamppost and level the post on two sides. Fill in some more gravel around the post to support it while preparing the concrete.
Mix the concrete according to the manufacturer's instructions. Most quick concrete will allow you to pour the dry bag mix directly into the hole and then add water. Use the shovel to mix the concrete.
Use the level a few times to ensure the post is level as the quick concrete sets up. It generally will be ready and firmly set in less than a ½ hour.
Tips and warnings
- Wet locations may take a wider hole to allow for more gravel and a greater drainage area.
- Follow all local electrical codes when installing any type of outdoor electrical devices.
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