Wiring Diagrams of Thermocouple Installations. a Figure 7 ... From the bottom of the pipe copper lead wires are carried to the indicator. Figure 8 ... The junction box is a cast-iron box, such as those used for underground telephone wiring.
|Title||:||Handbook of Non-ferrous Metallurgy Prepared by a Staff of Specialists|
|Author||:||Donald Macy Liddell|