# To begin here are some general

```tfurrows, re: measuring for outlets, light fixtures, etc.
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```To begin with, here are some general principles: think of
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```everything as a grid. Rely on a square to find the positions
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`n the grid.`

```Here's a little ASCII art depicting a traditional L-shaped
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```-------------------
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```|                 |
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```|                 | |
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```|                 | |
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```|                 | |
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```|                 | | <-- square
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```|                 | |
```
```|                 | |
```
```|                 | -----------
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```|                 |        --
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```|                 |       |  | <-- fixture
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```|                 |        --
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```|                 |
```
```|                 |
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```|                 | <-- neighbouring panel
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```-------------------
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```Let's say that you're installing the panels vertically and
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```you've installed panels from left to right along a wall.
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```neighbouring panel and line the other up with the bottom of
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```the fixture that you need to cut a hole for. Then:
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```edges of the fixture.
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```fixture.
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```Now, when you measure for the hole on the new panel, the
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```measurements (from the bottom of your panel) for the bottom
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```and top of your hole. The distances that you measured over
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```from the neighbouring panel in step two are measurements
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```from the left side of the panel to the the sides of your
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```the square), they will intersect at all the corners.
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```lid and center it inside the lines. Then trace around it. If
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```the hole is hexagonal, just wing it by drawing in the cuts
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```across the corners (or grab another electrical box and trace
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```around it).
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```You can also make all of the measurements out of a corner,
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```or from the ceiling downwards, etc.
```