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Installing a 240 Volt Circuit Breaker

By Bob Formisano, About.com

7 of 10

Install the Circuit Breaker

Insert the breaker onto the knife blades and snap into place.

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Once the breaker is wired, install it into the electrical service panel. This takes a little technique but is actually quite easy. Simply rock the breaker so that its tabbed end fits into the panel housing and then snap the breaker into place over the two hot bus bar knife blades.

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