Send us Fan Mail Hearing loss is permanent but preventable, and we stop treating ringing ears like a normal part of low voltage work. We map out where the noise really comes from, how leaders should plan for hearing protection, and what to wear so you can keep doing the job and still hear life after work. • ringing ears as a warning sign of injury • noise sources in structured cabling and low voltage work plus other trades nearby • why hearing matters for situational awarene...