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10 Best Extension Cord For Heater 2025 in the United States
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Buying Guide for the Best Extension Cord For Heater
Choosing the right extension cord for your heater is crucial for safety and efficiency. Heaters draw a significant amount of power, and using an inappropriate extension cord can lead to overheating, fire hazards, or damage to your heater. To ensure you select the best extension cord, consider the following key specifications and how they align with your needs.Gauge (AWG)The gauge of an extension cord refers to the thickness of the wire inside. It is measured in American Wire Gauge (AWG), where a lower number indicates a thicker wire. For heaters, which require a lot of power, a lower gauge (thicker wire) is essential to handle the high current without overheating. Typically, a 12 or 14 gauge cord is recommended for heaters. If your heater is particularly powerful, opt for a 12 gauge cord. If it's a smaller, less powerful heater, a 14 gauge cord may suffice.
LengthThe length of the extension cord affects its ability to deliver power efficiently. Longer cords can lead to voltage drops, which can reduce the performance of your heater. It's best to use the shortest cord possible that meets your needs. For heaters, try to keep the length under 50 feet. If you need a longer cord, ensure it has a lower gauge to compensate for the distance.
Amperage RatingThe amperage rating indicates the maximum amount of current the extension cord can safely handle. Heaters typically require a high amperage, so it's important to choose a cord that matches or exceeds the heater's requirements. Check the heater's manual for its amperage draw and select an extension cord with an equal or higher rating. Common ratings for heater-compatible cords are 15 or 20 amps.
Insulation and Jacket MaterialThe insulation and jacket material of an extension cord protect the wires inside and ensure durability. For heaters, which generate heat and may be used in various environments, look for cords with heavy-duty insulation and jackets. Materials like vinyl or rubber are good choices as they offer flexibility and resistance to wear and tear. If you plan to use the cord outdoors, ensure it is rated for outdoor use to withstand weather conditions.
Plug TypeThe plug type of the extension cord should match the plug of your heater. Most heaters have a standard three-prong plug, so ensure the extension cord has a compatible outlet. Additionally, look for cords with grounded plugs for added safety. Some cords also come with right-angle plugs, which can be useful in tight spaces.