Assist clients in maintaining their electrical distribution system assets to prevent 
untimely and costly power interruptions / outages. 
Scope of Work: 
 Evaluate electrical distribution systems (both on-line (energized) and off-line (de-energized))
using state of the art technologies for diagnosis and recommendations 
for remedial action where needed. 
On-Line Technologies: 
 Thermographic Imaging (Infrared Cameras) 
 Ultrasound (Listening to internal parts of an asset) 
 Voltage Drop investigation using Digital Multi-Meters (Fluke 1750 / 43B / Etc.) 
 Power Quality studies using data recording devices. (Dranetz, AEMC, Etc.) 
 Partial Discharge (insulation breakdown) using both TEV meters and Doble On-Line
test equipment. 
Off-Line Technologies: 
 Insulation Resistance (Megohmmeter) 
 Transformer Turns Ration (TTR) 
 Primary Current Injection (High-Current Test Sets) 
 Secondary Current (Secondary Test Set) 
 Ground Fault Relay Test (Ground Fault Relay Test Set) 
 Ground Resistance (Ground Resistance Clamp Tester) 
 DLRO (Digital Low Resistance Ohmmeter – “Ducter”) 
 DGOA (Dissolved Gas Oil Analysis mainly in Transformers) 
 Overvoltage Withstand Test (High Potential DC Test Set) 
 Very Low Frequency (VLF AC Test Set) 
 Breaker Maintenance (LV / MV) Skills  

 Ability to recognize NEC violations / improper installations. 
 Computer skills (Word, Excel, Etc) to enter data into report generator. 
 Experience in the installation and function of electrical systems. 
 NICET / NETA certifications are a plus. 
 Infrared Level 1 or Level 2 are a plus. 
 Ultrasound Level 1 or Level 2 are a plus. 
 General knowledge of electrical apparatus up to 35Kv. 
 Any other certifications that relate to electrical asset 
maintenance/testing is a plus. 
 Power Systems Analysis and modeling using Easy Power / SKM software. 
 Familiarity with NFPA 70B and NFPA 70E. (We can train if needed.) 
 Willingness to test energized electrical equipment up to 600volts. 

About Humphrey & Associates

Humphrey & Associates has been operating in the DFW area since 1977 and we are always looking to improve our team with talented people. H&A is a family owned Electrical and Mechanical Contracting business. Visit our website at teamhumphrey.com Our work consists mostly of large Commercial and Industrial Electrical Installations. H&A requires you have a valid Driver’s License, HS diploma or GED or Journeyman's License, and applicants must pass a Hair Analysis 90 day Drug Screen. You must also have reliable transportation. We offer Health Insurance, a 401K retirement plan with matching, an Employee Stock Ownership Plan, Paid Holidays and Paid Time Off. Humphrey & Associates is a company that truly cares about its employees and it wants individuals looking for a long term career that will complement our already strong corporate family.

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