Liquidtight ST™ and STB Insulated Throat Connectors
Appleton™ Liquidtight ST™ and STB Insulated Throat Connectors
Appleton™ liquidtight ST™ Series plain throat and STB Series insulated throat connectors provide a dependable connection for liquidtight flexible metal conduit. Available in straight, 45° and 90° styles and trade sizes from 3/8" through 4". The compact design results in a connector that offers a small turning radius. They seal out oil, water, dust, dirt and fumes.
3/8" to 1" straight: steel body/compression nut. 1-1/4" to 4" straight, 3/8" to 4" 45° to 90°: malleable iron body/compression nut. 3/8" to 4" 45° to 90°: malleable iron body. Caps: 3/8" to 1" steel; 1-1/4" thru 4" malleable iron. Ferrule: 3/8" to 1" steel; 1-1/4" thru 4" aluminum
Steel: zinc electroplate. Malleable iron: triple-coat finish (1) zinc electroplate, (2) chromate, and (3) epoxy powder coat. Sealing ring: polypropylene
ST Series has plain throat
STB Series has insulated throat to protect against wire damage
Liquidtight ST™ and STB Insulated Throat Connectors
Appleton™ Liquidtight ST™ and STB Insulated Throat Connectors
Appleton™ liquidtight ST™ Series plain throat and STB Series insulated throat connectors provide a dependable connection for liquidtight flexible metal conduit. Available in straight, 45° and 90° styles and trade sizes from 3/8" through 4". The compact design results in a connector that offers a small turning radius. They seal out oil, water, dust, dirt and fumes.
3/8" to 1" straight: 
steel body/compression nut. 1-1/4" to 4" straight, 3/8" to 4" 45° to 90°: malleable iron body/compression nut. 3/8" to 4" 45° to 90°: malleable iron body. Caps: 3/8" to 1" steel; 1-1/4" thru 4" malleable iron. Ferrule: 3/8" to 1" steel; 1-1/4" thru 4" aluminum
Steel: zinc electroplate. Malleable iron: triple-coat finish (1) zinc electroplate, (2) chromate, and (3) epoxy powder coat. Sealing ring: polypropylene
ST Series has plain throat
STB Series has insulated throat to protect against wire damage