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10: Review Questions
Although _____ V welding machines are usually hardwired into a building’s electrical system, some electrical codes permit them to be plugged into special wall receptacles.
What is the function of a rectifier in a welding machine?
A qualified _____ should permanently wire the welding machine to the commercial power source.
Lugs are attached to welding leads using _____ or _____.
List two methods used to connect welding leads to a welding machine.
What two variables are used to determine the diameter of the welding leads?
List three methods of attaching a workpiece lead to a worktable or workpiece.
Why should welding leads not be laid across an aisle or other heavy-traffic area?
Name two methods used to change DC polarity on a welding machine.
List three types of controls that might be used to set the fine amperage on AC and DC welding machines.
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