APPLETON ELECTRIC. Range 1.58 in to 1.97 in, Box Connection 2 in MNPT, Material – Cord Connector Nickel Plated Brass, 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 4 1/32 in, Length – Box to End of Connector 4 1/4 in, Insulated No, Standards 101909, C22.2 No. 174, UL2225.