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The differences between voltage testers and certified welding inspectors can be seen in a few details. Each job has different responsibilities and duties. Additionally, a voltage tester has an average salary of $55,136, which is higher than the $47,494 average annual salary of a certified welding inspector.
The top three skills for a voltage tester include GPS, grid and stray voltage. The most important skills for a certified welding inspector are CWI, PT, and structural steel.
Voltage testers and certified welding inspectors have different pay scales, as shown below.
| Voltage Tester | Certified Welding Inspector | |
| Average salary | $55,136 | $47,494 |
| Salary range | Between $27,000 And $109,000 | Between $31,000 And $72,000 |
| Highest paying City | - | - |
| Highest paying state | - | - |
| Best paying company | - | - |
| Best paying industry | - | - |
There are a few differences between a voltage tester and a certified welding inspector in terms of educational background:
| Voltage Tester | Certified Welding Inspector | |
| Most common degree | Associate Degree, 48% | Associate Degree, 31% |
| Most common major | Electrical Engineering | Precision Metal Working |
| Most common college | - | - |
Here are the differences between voltage testers' and certified welding inspectors' demographics:
| Voltage Tester | Certified Welding Inspector | |
| Average age | 45 | 45 |
| Gender ratio | Male, 96.6% Female, 3.4% | Male, 89.0% Female, 11.0% |
| Race ratio | Black or African American, 11.2% Unknown, 4.6% Hispanic or Latino, 20.3% Asian, 8.6% White, 54.4% American Indian and Alaska Native, 0.8% | Black or African American, 11.7% Unknown, 4.6% Hispanic or Latino, 17.2% Asian, 8.1% White, 57.6% American Indian and Alaska Native, 0.8% |
| LGBT Percentage | 4% | 4% |