safety fuse

• Un cordeau déflagrant ou un tube contenant une matière à combustion lente, utilisé pour amorcer une explosion à distance de sécurité, ou un dispositif de protection dans un circuit électrique qui fond et coupe le courant en cas de surintensité.

A safety fuse is a cord or tube filled with a slow-burning material, used to ignite explosives from a safe distance, or a protective device in electrical circuits that melts to break the circuit if the current becomes too high.

1. Explosives componentC1formal

   A cord or tube filled with a slow-burning material used to ignite explosives from a safe distance.

   cordon détonant lent

   • The miner lit the safety fuse before retreating to a safe distance.
   • Safety fuses are designed to burn at a consistent rate.
   • Always check the length of the safety fuse before use.

2. Electrical componentB2formal

   A protective device in an electrical circuit that melts and breaks the circuit if the current exceeds a safe level.

   fusible de protection

   • The safety fuse blew when there was a power surge.
   • Replace the safety fuse with one of the correct amperage.
   • The electrician installed a new safety fuse in the panel.