During the budgeting phase of an electrical project, it’s common for the decision to be guided by the lowest price. However, choosing medium-voltage cables solely based on cost can compromise the safety and reliability of the installation over time, even if initially saved. Industrial accidents, fires, short circuits, and electrical equipment failures are among the most frequent consequences of inadequate specifications right from the start of the electrical project.
Price is not value when specifying electrical cables.
Artificial cost reductions and the choice of materials that do not fully meet technical standards are among the main factors behind serious failures in electrical installations. When electrical cables do not meet the required technical specifications, the problems can be more serious than imagined, such as:
- Increased electrical losses and reduced energy efficiency.
- Increased likelihood of failure due to out-of-specification materials.
- Incompatibility with accessories, splices and terminations.
- High risk of fire at the facility.
- Use of cables that are undersized or do not conform to technical standards, such as NBR 7286 and NBR 11873.
- Irregularities in certifications and conformity seals.
The impacts of out-of-specification cables
Using cables that do not meet technical requirements can generate hidden costs throughout the project’s lifespan, including corrective maintenance, unplanned shutdowns, and premature replacements. The apparent savings at the beginning of construction tend to turn into operational and financial losses over time. Ensuring that electrical cables comply with technical standards and design requirements is the most effective way to reduce risks, preserve assets, and ensure the performance of the electrical system. The correct choice of materials directly impacts the safety of people, operational continuity, and the durability of the installation.
Technical support during the specification phase.
Having specialized technical support from the specification stage onwards allows for the identification of technically appropriate and cost-effective solutions, without compromising the safety or performance of the electrical system.


