Enhanced Rating Cord Connector Cord Dia Range 1.40 in to 1.74 in Box Connection 2 1/2 in MNPT Material - Cord Connector Copper Free Aluminum External Strain Relief Material No External Strain Relief Gland Color Code No Code Body Color - Cord Connector Silver Number of Cords 1 Style - Connector Straight Strain Relief Type No External Strain Relief External Strain Relief Length 1 3/4 in Length - Box to End of Connector 1 1/4 in Insulated No Standards C22.2 No 30 UL 2225 UL 514B