EVALUS JOURNAL
2026-08-17
An electric vehicle is a technical system.
Voltage is a physical quantity.
An electrical hazard describes the potential for electrical energy to harm a person.
Yet all three concepts are frequently combined under a single term:
High Voltage.
The distinction becomes increasingly important as electric propulsion expands beyond conventional road vehicles.
The relevant question should therefore no longer simply be:
Is this a high-voltage vehicle?
It should be:
What electrical hazard exists during this specific task?
A driver, a mechanic replacing a tyre, a technician establishing a de-energised state and a specialist opening an energised battery system face completely different conditions.
They therefore require different competencies.
Vehicle standards such as ISO 6469-3 legitimately classify electrical circuits for vehicle-safety purposes.
A competence system, however, needs to answer a different question:
What does the person need to know and be able to do?
This leads to a simple distinction:
EV → the technical system
HV → the electrical hazard
Or, in its shortest form:
An electric vehicle is not a hazard.
It is a technical system in which electrical hazards may arise depending on its design, condition and the work being performed.
In the next article: If EV and HV are not the same, this has direct consequences for qualification. Why technical vehicle competence and electrical safety competence should be considered separately.