![]() ![]() ![]() However, a circuit breaker will sense any excess current and will trip the system to stop the entire flow of power before any real damage can occur. ![]() When this occurs, the current is no longer confined within the initial wire and a fire results. When you attempt to force more current through a circuit, the wires will begin to heat up and the insulation around the wire can then degrade and in some cases, even melt. The circuit breaker, the wire and the wire insulation are all designed to work together as a system. A double pole breaker is primarily used with a 240-volt circuit, 20-60 amps and consists of two hot wires. They are constructed with one hot wire and one neutral wire. A single pole breaker is typically used with 120-volt circuits, 15-20 amps. The first, a single pole breaker and the second, a double pole breaker. If you have ever scrutinized the main circuit board in your home or business, you probably have noticed that there are two different types of breakers. ![]()
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