Installing A Circuit Breaker Panel Box

Connect any new circuits to the subpanel attaching the hot wire to a circuit breaker and the other wires to their respective buses.

Installing a circuit breaker panel box.

With all circuit wires connected the circuit breaker can be snapped into place into its panel slot. But there are some safety precautions and if you ignore them you could kill yourself. To install a circuit breaker start by turning off the power supply to the electrical panel and removing the cover over it. Snap the breaker into place by clipping it to the hot bus bar.

This diagram illustrates some of the most common circuits found in a typical 200 amp circuit breaker service panel box. If your future circuit needs are for fewer than 40 circuits the 200 amp panel will suit your needs. If you follow our safety steps in order and to the letter you ll. Make sure you use a test light or meter to verify that the power is off since it s dangerous to install a circuit breaker in a panel that still has power.

The breakers are installed in a panel so that contact is made with one of two hot bus bars running down the middle of the box. Tighten the clamp to secure the wires. Circuit breaker panel box wiring diagram. Select the electrical box you need for every receptacle switch and fixture in your new circuit.

A breaker box in a detached garage is usually a sub panel to the main circuit panel in the home. You only have to connect three wires to add a circuit and each circuit wire is color coded. Wiring a breaker box is a highly technical skill knowing how it operates isn t. Clear a knockout panel install cable clamps in the hole and feed the wires through the clamp.

The advantage of installing a breaker panel in the garage is that it allows you to have multiple circuits available while only needing to run one line to the garage from the house. Our electrical box buying guide explains the functions of the different box designs. On afci or gfci breakers this circuit wire will be attached to the terminal marked load power or black finally for afci or gfci breakers attach the breaker s coiled white pigtail wire to the neutral bus bar in the panel. Before deciding where you ll install your new circuit breaker panel decide the size you ll need such as 200 amp 300 amp or 400 amp.