On-Site Field Testing and Evaluation

ASC Engineering Services performs on-site field inspection, evaluation and labeling of electrical products that did not have a certification mark required by NRTL (Nationally Recognized Testing Laboratory). We have done more than 1000 field inspection over the span of 20 years in different product category that includes industrial machinery, laboratory equipment, medical diagnostic equipment, laser, sheet metal fabrication equipment, robotics, wind and solar and wind energy systems.


ASC engineering services perform inspection, evaluation and labeling of electrical products.



  • Evaluation to relevant UL, CSA, ANSI, ASME and NFPA standards
  • In Canada, SPE-1000 Special Inspections Evaluation to NEC (National Electric Code) and CEC (California Energy Commission)
  • Requirements Evaluation to relevant OSHA safety requirements Adherence to the recommended practice and procedures for unlabeled electrical equipment evaluation developed by the American Council for Electrical Safety (ACES)
  • Full knowledge and experience with U.S. and foreign equipment
  • Highly competent experienced engineers in all aspect of product testing and evaluation of electrical products.
  • In the USA, testing laboratories recognized by the local Authority Having Jurisdiction are qualified to offer Field Evaluation services.
    ASC is recognized in several state and local jurisdictions. The technical requirements used to evaluate products for the US market consist of
    the applicable parts of the National Electrical Code (NEC) and other requirements specified by the AHJ.(
  • Complying products are labeled using the ASC label shown below
  • ASC Engineering Services (ASC) is accredited by states, counties and cities in the USA to perform Electrical Evaluation, Testing, Inspection and Certification of electrical machinery to national standards that acceptable to the jurisdictions. Here are the list of jurisdictions that ASC can apply its labels.
      • Washington State
      • Oregon
      • Maryland
      • Minnesota
      • Texas
      • Northern California
        • Fremont
        • Milpitas
        • Sunnyvale
        • Santa Clara
        • San Jose
        • Hayward
        • Oakland
        • Stockton
        • Sacramento
      • Southern California
        • Irvine
        • Anaheim
        • Huntington Beach
        • Corona
        • Ontario
        • City of Chino
        • Upland
        • Riverside
        • San Bernardino
        • Temecula
      • Arizona
        • Phoenix
        • Tucson
        • Chandler
        • Mesa
      • Florida
      • Colorado
      • Idaho
      • New York