KNEC does not equate institution based certificates for both local and foreign institutions. It only equates certificates from the following examination boards (KCE, KACE, TECH, BMGT, BTEP, BZNS, CSAP, DTE, ECDC, ECDD, PTE, QEC, QED, SNE, and TCAE).
You case appears to fall under Kenya National Qualifications Authority (KNQA):
https://www.knqa.go.ke