Wiring Diagrams of Thermocouple Installations. ... ETTT 1 i Cold 3_ Recorder Junction Box Copper Leads i Compeniiitlug + - J unction Fiq. 9. ... The junction box is a cast-iron box, such as those used for underground telephone wiring.
Title | : | Handbook of nonferrous metallurgy |
Author | : | Donald Macy Liddell |
Publisher | : | - 1926 |
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