For what purpose is a Type B license required?

A Type B license is specifically required for activities related to carrying out low-pressure hydrostatic testing of portable fire extinguishers. This testing is crucial for ensuring the safety and proper functioning of portable extinguishers. The hydrostatic test checks for any leaks or weaknesses in the extinguisher's shell and ensures that it can withstand the necessary pressure.

The focus of this license is primarily on the testing process itself, which is governed by specific regulations and requires proper training and knowledge of safety standards. This ensures that professionals carrying out the testing can accurately assess the condition of fire extinguishers and address any issues that might compromise their effectiveness.

While other activities listed in the options, such as planning fire safety systems or servicing pre-engineered fire extinguishers, involve important skills and knowledge, they fall under different regulatory or licensing requirements that do not necessitate a Type B license. Each type of license caters to specific skill sets and responsibilities within the broader field of fire safety and protection.