Basically a partial copy of....https://www.amazon.com/Alvin-TD1515-Electric-Electronic-Template/dp/B000KNLR5Y?crid=ENK3TERPZ812&dib=eyJ2IjoiMSJ9.Rfgw9_EBL-8K9b73tgm_tdLXQcCr_3M1sVuQZfC6O4VQ_tCvhQ1SgF85Ffu6TQaKxRiEaIps7L-wtKCnZGlZDixOTi5sKMI6kV80pTJeDDFi4epVbs5LGg_7KFL7Tiy3dYJkiQ50FPwvBJyN2rwHWQ._z2fAA4e5HEY0SNE7ZX11WXPd9IeCXpd6PqTDndnL7A&dib_tag=se&keywords=electrical+symbols+template+td1515&qid=1732766211&sprefix=electrical+symbols+template+td1515%2Caps%2C549&sr=8-1