Mr. Calder is a licensed Professional Electrical Engineer in multiple jurisdictions throughout the United States and has worked for over twenty years in the electrical engineering profession designing power distribution systems including medium voltage substations, switchgear, motor control centers, and feeds to individual building loads. During his career he has had the opportunity to manage and oversee the installation of numerous industrial electrical projects as well as test and trouble shoot many installation issues.

Mr. Calder’s strong background in design, construction support, inspections and operations has provided him with a keen understanding of electrical systems and causes of potential failures. Investigations of a wide variety of residential, commercial and industrial incidents have provided a solid knowledge of incident investigation procedures.

Mr. Calder was additionally an expert in safe operation of gas fired carbon electrode baking furnaces having been the global chairman of a carbottom baking furnace process safety/improvement team for seven years. Process changes were developed and implemented that were successful in bringing an end to a history of baking furnace unplanned pressure releases/explosions. Mr. Calder also has prior experience in analysis of systems and processes for potential failures due to combustible dust explosions.

Mr. Calder has investigated a wide variety of electrical systems and investigation categories including audio/visual equipment, code compliance, commercial and residential fires of electrical origin, lighting damage, solar panel failures/fires, fire alarm system failure, and industrial electrical failures.

Mr. Calder has provided building consulting services to assist clients with evaluation of repair/replacement proposals. Additionally, wipe and tape sampling has been performed in fire damaged locations to provide data for making recommendations for soot and smoke damaged equipment cleaning.

Bachelor of Science, Electrical Engineering, University of Arkansas, Fayetteville, AR, 1980

Professional Engineer (Additional states available upon application)
Alabama, 40124-E
Missouri, PE-2022011955
Arkansas, 6302
North Carolina, 060076
Colorado, PE.0061767
Oklahoma, 33119
Kansas, PE28934
Oregon, 100459PE
Kentucky, 36386
Tennessee, 124896
Louisiana, PE.0047018
Texas, 144574
Mississippi, 31699
Washington, 22010389
Iowa, P29772
South Carolina, 44374
National Engineering Registration, NCEES 21-836-18
Master Electrician – Arkansas, M-2778