Connecting multiple appliances to one electrical box typically means using a power strip or extension cord with multiple outlets, not directly wiring them into the electrical box. When using a power strip or extension cord, each appliance can be plugged into different outlets on the power strip.
Power strips and extension cords are designed to distribute power to multiple devices simultaneously. However, it's crucial to consider the following points:
Load capacity: Power strips and extension cords have load capacities, which represent the maximum amount of power they can handle safely. This capacity is measured in watts or amps. You must not exceed the load capacity of the power strip or extension cord by plugging in appliances that draw more power than it can handle. Check the ratings and specifications on the power strip or extension cord to ensure it can handle the combined power of the connected appliances.
Circuit breaker ratings: Plugging multiple high-power appliances into a single power strip could potentially overload the circuit it is connected to. Each circuit in your home is protected by a circuit breaker that is designed to trip if the current exceeds a safe level. If you plug in too many high-power appliances to a power strip connected to a single circuit, it could cause the circuit breaker to trip.
To distribute the load more evenly, you can consider using different outlets on multiple power strips connected to different circuits. This way, the power draw is spread across multiple circuits, reducing the likelihood of tripping a circuit breaker.
If you have a specific scenario in mind or plan to use high-power appliances simultaneously, it's always best to consult with a qualified electrician to ensure your electrical system can handle the load safely and that you're following local electrical codes and regulations. Safety should always be the top priority when dealing with electrical connections.