The Hidden Risks and Dangers of Zinsco Electrical Panels
Zinsco electrical panels, once a common choice in North American buildings, are now widely recognized for their potential hazards. These panels have a troubling history of failing at a high rate, making them unsuitable for modern electrical demands. As buildings increasingly rely on more power for advanced technology and appliances, the risks associated with Zinsco panels become even more pronounced.
Defects in the design and materials of Zinsco panels can create dangerous conditions, such as overcurrent, which may cause the panels to overheat. This overheating can result in the melting of internal components, leading to electrical fires. Even if the panel appears to be in good condition externally, it does not guarantee that it is functioning safely internally.
Understanding the Role of Electrical Panels
Electrical panels, also known as breaker boxes or load centers, serve as the central hub for a building’s electrical circuits. These panels contain circuit breakers that are arranged in columns, with each breaker connected to specific circuits that distribute electricity throughout the building.
The primary function of an electrical panel is to protect your home or business by cutting off power in the event of an electrical surge. Essentially, these panels are designed to prevent electrical fires and shock by acting as a safety mechanism.
What Are Zinsco Electrical Panels?
Zinsco was a popular brand of electrical panels used across North America from the 1930s until the mid-1970s. Like the similarly problematic Federal Pacific Electric (FPE) panels, Zinsco panels were installed in countless buildings throughout the United States. However, in 1980, the production of Zinsco panels abruptly stopped due to the discovery of serious design flaws.
Despite the halt in production, many Zinsco panels had already been sold and continued to be installed in homes and businesses. Unfortunately, these panels have persisted in use long after their defects were uncovered, leaving many buildings at risk.
The Flaws in Zinsco Panels
Zinsco panels are plagued by several design flaws that can lead to dangerous situations:
Aluminum Wiring: Some components in Zinsco panels use aluminum wiring, which is prone to corrosion. This corrosion can affect the electrical conductivity, leading to overheating and potential electrical hazards.
Overheating Issues: The aluminum wiring, combined with poor design, can cause the panels to overheat, which can compromise the electrical flow and lead to dangerous conditions.
Fragile Bus Bars: The bus bars in Zinsco panels are easily damaged and can become destructible over time, further contributing to the panel’s unreliability.
Breaker Malfunction: The internal tripping mechanism in the breakers can jam, causing the breaker to appear off when it is actually still on. This malfunction can allow excessive electricity to flow through the circuits, increasing the risk of fire and electrical shock.
The Dangers of Zinsco Electrical Panels
One of the most concerning aspects of Zinsco panels is that the danger is often hidden. Even if you remove the panel cover and everything appears normal, serious issues could be lurking beneath the surface. Because these panels can seem fine upon visual inspection, problems often go unnoticed until a catastrophic event occurs. By the time a professional examines the panel, it’s not uncommon for the breakers to have melted onto the bus bars. When this happens, the breaker can no longer trip, which can lead to an unsafe level of electricity being delivered to your home or business. This poses a significant risk of electrical fires and shocks.
While Zinsco panels may have sufficed in the past, the increasing demand for electricity in modern buildings makes these panels more susceptible to overheating and failure.
Identifying Your Electrical Panel Manufacturer
If you suspect you have a Zinsco panel, it’s important to verify the manufacturer. To do this, locate your electrical panel and open the panel door. Look for stickers or raised lettering that indicate the manufacturer’s name. Typically, the logo is found on the back of the door or on a sticker in that area. In the case of Zinsco panels, you might also find a logo sticker directly above the breakers.
What to Do If You Have a Zinsco Panel
If your building has a Zinsco electrical panel that hasn’t been inspected recently, it’s crucial to contact a professional electrician. Even if the panel looks fine externally, hidden issues could be putting your property at risk. The only way to ensure your safety is to have a qualified electrician inspect the panel.
Need an Electrician in Los Angeles County?
For expert electrical services, including rewiring, inspections, and more, Americano Electrical Solutions is here to help. Our team of licensed electricians serves commercial clients in Palmdale, Lancaster, Alhambra, Northridge, and surrounding areas. Contact us today or visit our website to request a free estimate.