Glossary
HTA Electric Installation. Regulation, Structure and Protections

External influences

External high-voltage influences include all non-electrical conditions that can affect electrical installations.

Earth connection

Conductive part, which can be embedded in the ground or in a particular conductive medium, e.g. concrete, in contact with the earth.

Protective conductor (PE)

A conductor prescribed in certain protective measures against electric shock and designed to electrically connect certain following parts:

• masses ;

• conductive elements ;

• main earth terminal ;

• earthing ;

• earthed supply point or artificial neutral point.

Active part

Conductor or conductive part intended to be live during normal operation.

Direct contact

Electrical contact of people or animals with live parts.

Indirect contact