United States Navy E-4/5/6 Electrician's Mate Rating Badge
Criteria: Worn by Electrician's Mates (EM) with ranks from Petty Officer 3rd Class (E-4) to Petty Officer 1st Class (E-6). Electrician's Mates are typically responsible for all of the maintenance and repair of a ship or stations electrical power plant or equipment used by the USN. They maintain and repair all of the power and lighting circuits, distribution switchboards, generators and other electrical equipment. The rating also includes those who maintain the control subsystems in nuclear reactors aboard nuclear powered vessels.
The badge is sold with all 3 chevrons below the rating for E-6, and can be tailored down to the other two chevrons.