Strain gauge with connector in a system

Example combinations (these two are the only pattern)

If using wire connectors with strain gauge

Strain gauge with connector (2-wire) 
Lead wire with connector (irregular 3-wire)

2線式のコネクタ付ひずみゲージを使用した場合

2線式のコネクタ付ひずみゲージを使用した場合2

If you use 3-wire connector with strain gauge

Connectors with strain gauge (3 wire) 
Lead wire with connector (3 wire)

3線式

3線式のコネクタ付