GE Kelman TRANSFIX 1.6 Installation Manual page 8

Only GE-trained and certified personnel may commission GE products.
Commissioning tasks include making any connections and/or performing any
work within the enclosure, or performing tasks such as purging the oil circuit
between the transformer and the product, and/or all first start-up procedures
relating to equipment or firmware/software.
MA-001 – TRANSFIX-family Installation Manual – Rev 3.0 18-Jan-16 Page 8 of 55