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Appendix E: Flame Size for
Oxy-acetylene Torch
Use the small (oxidizing) flame when soldering the
conductors together.
3/16 in. (5 mm)
Figure 70: Small (oxidizing) flame
Use a large (neutral) flame when soldering the joint or end
cap to the sheath of the cable.
3/16 in. (5 mm)
Figure 71: Large (neutral) flame
Use a sizzling (reducing/carbonizing) flame to dry out the
cable.
1.5 in. (38 mm)
Figure 72: Sizzling (reducing/carbonizing) flame