Box Sizing Tips

Box Sizing Tips

How do you know if your outlet box or pull box is big enough?

So you go through all that work to correctly size your raceway, only to find out during the acceptance inspection that you have to replace some boxes and re-pull all of the conductors. The client’s acceptance engineer proved this with some calculations. “As a consolation, the new conductors will be easier for you to pull,” he told you.

Why must these boxes be so much bigger than the total raceway volume? How can you ensure you install boxes that are big enough without wasting mo

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