7. When soldering copper pipes and fittings, which of the following steps should you perform first?

A. Unwind 8" to 10" of wire solder from the spool.
B. Clean the inside of each fitting with a wire brush.
C. Insert the pipe into the fitting so it's tight against the socket bottoms.
D. Sand the end of each pipe with emery cloth.



Answer :

Final answer:

The initial step when soldering copper pipes and fittings is cleaning the inside of each fitting with a wire brush.


Explanation:

When soldering copper pipes and fittings, the first step to perform is to clean the inside of each fitting with a wire brush. This step is essential to ensure a proper connection and efficient soldering process. After cleaning, the subsequent steps involve inserting the pipe into the fitting, sanding the end of each pipe, and finally unwinding wire solder from the spool.


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