![]() ![]() Start with the following questions when making your decision: What Is the Use Case? With so many types of electrical control panels available, it takes careful consideration to choose the right panel for your project. Determining the Right Panel for Your Project They help electrical components withstand dust, dirt, and other airborne contaminants. NEMA 12 electrical panels are designed for use in dusty environments. They protect electrical components from hazards like explosions and fires. NEMA 7 electrical panels are designed for use in hazardous environments, such as those where flammable gases or vapors may be present. However, these can protect against prolonged submersion at a limited depth. ![]() Similar to NEMA 6 enclosures, NEMA 6P electrical panels are designed for use in wet environments. NEMA 6 electrical panels are designed for use in wet environments and can withstand being temporarily submerged at a limited depth. They protect electrical components from rust, corrosion, and other damaging effects. NEMA 4X electrical panels are designed for use in corrosive environments, like those in coastal areas. They protect electrical components from chemicals, high temperatures, and other extreme conditions. NEMA 4 electrical panels are designed for use in harsh environments, like those that experience heavy wind and rain. They are used to protect electrical components from weather and other environmental conditions. NEMA 3 electrical panels are designed for outdoor use. NEMA 1 electrical panels are designed for indoor use, and they’re used to protect electrical components from dust, dirt, and other airborne contaminants. Here’s a breakdown of the different NEMA types of panel enclosures: NEMA Type 1 Electrical Enclosure NEMA ratings are based on the type of environment the electrical panel will be used in. The National Electrical Manufacturers Association (NEMA) created standards to rate the variety of electrical enclosures used in industrial applications in North America. In addition to the main types of electrical panels, there are several types of panel enclosures. Transfer switches are typically installed next to the main electrical panel, and they’re used to provide power to the circuits in the event of a power outage. Transfer SwitchesĪ transfer switch is an electrical device that’s used to safely connect a generator to the electrical system in a building. Sub-panels are typically located in the garage, and they’re usually connected to the main electrical panel via a circuit breaker. Sub-PanelĪ sub-panel is an electrical panel that’s used to supply power to specific areas of a building. Main lug panels are typically used in buildings with less than 200 amps of service. Instead, its line wires run to a type of electrical connector called a lug, which supplies power to the other circuits of the building. Main Lug PanelĪ main lug panel is a type of electrical panel that doesn’t have a main breaker. Typically located in the main electrical panel, the main breaker is a large switch that controls the flow of electricity to all the other circuits in the building. This is typically a meter box that houses the main breaker. The service entrance is where the electrical service comes into the building. ![]() A commercial building will usually have a main electrical service room, where the main panel will be located, and potentially smaller electrical rooms on other floors. The main electrical panel is typically divided into two sections: the service entrance and the main breaker. Main Electrical PanelĪ main electrical panel is the primary distribution point for all the electrical circuits in a building. Below, we go into more detail on each type of panel. Subpanels, on the other hand, are used to supply power to specific areas of a building. Main distribution panels distribute electricity to all the circuits in the structure. There are two primary types of electrical control panels: main distribution panels and subpanels. Other components include fuses, voltage regulators, and switches. Circuit breakers protect the electrical system from overload by automatically shutting off the power when it detects too much current flowing through the system. The most important components in an electrical control panel are the circuit breakers. These components work together to regulate and monitor the flow of electricity in a structure. ![]()
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