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As wiring through a sub panel involves pulling more wire than direct wiring there is a tiny loss of power due to the additional wiring footage due to simple resistance of the conducting material (usually copper, sometimes aluminum). In and of itself, a sub-panel does not cause a loss of power. It is merely a convenience for operators to switch off circuits on a selective basis for maintanance without having to go to the center or having to call someone in Maintanance to switch off a circuit. For example in a Commercial building there are in the Main Breaker Box several Distribution Breakers which control electricity to each business or tennant. In the individual business or tennancy there are often sub panels which allow the local control of electric distribution. However if too much current is passed through a circuit the wire will heat up and may throw a breaker as resistance increases and a fault occurs. This may be quickly determined by laying a hand on the breakers. If one set is warm to the touch it is close to fault. Very likely the wire is too small.

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βˆ™ 14y ago
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βˆ™ 5mo ago

No, a subpanel does not take away amp capacity from a main panel. The amp capacity of a panel is determined by the size of the main breaker in the panel, not by the presence of subpanels. Each panel operates independently and draws power from the main panel based on the circuits connected to it.

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Q: Does a sub panel take away amp capacity from a main panel?
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To determine the time it will take to charge the gel battery, you need to consider the energy output of the solar panel and the capacity of the battery. Since the solar panel output is 123W and the battery capacity is 12V and 225Ah, you can calculate the charging time using the formula: Time = (Battery capacity in amp hours) / (Solar panel output in watts). In this case, the time would be 225Ah / 123W = 1.83 hours.


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It is not recommended to use a 60 amp main breaker to supply a 100 amp subpanel. This can lead to overloading the main breaker and potentially causing a fire hazard. It's important to match the ampacity of the subpanel to the main breaker for safe and efficient operation.

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