Is Hearing Protection Necessary when Operating Power Tools?

                                                                                         

Safety cannot be overemphasized in power tool operation, and protection against hearing loss during prolonged exposure to a noisy environment is no exception. Since the symptoms of noise-induced hearing loss are usually not immediately apparent, many do not consider hearing protection to be an essential safety precaution when working with power tools. Repeated exposure to high levels of noise for extended periods of time can cause irreversible hearing damage, so taking the proper precautions when working with noisy power tools can help protect against future hearing loss.

While hearing protection may not be necessary while using all electrical power tools, some tools can be particularly loud when used at close ranges. Ear protection should be considered not only when operating these tools, but also when working in close proximity to others who are operating them. Foam ear plugs and heavier duty protective earmuffs are inexpensive, widely available and easy to use. The Noise Reduction Rating (NRR) of a set of earplugs or earmuffs will give you an idea of how much protection is afforded as compared to other models, with a higher NRR reflecting a greater reduction in noise.

Safety precautions are so important to preserving your hearing that the United States Occupational Safety and Health Administration (OSHA) requires that ear protection be used in the construction industry when noise levels exceed certain levels for specified periods of time. Longer periods of exposure lower the noise levels that are permitted without a hearing protection requirement. For instance, a hearing conservation program is required for workplaces with noise levels of 90 dBA for 8 hours per day, with the same requirement in place if noise levels reach 115 dBA for just 15 minutes per day.

For the complete table of acceptable noise exposure in the construction industry, check out the Permissible Noise Exposures table in the Safety and Health Regulations for Construction section available on the OSHA website.

About the author:
Maria Polidoro is the CEO of Ace Tool Online, a New York based authorized dealer for virtually all major hand and power tool manufacturers. Ace Tool offers a comprehensive electric power tool selection from over 70 major brands, including Milwaukee, Festool power tools, Amana tools and Champion Tool.

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