Answer :
Final answer:
Before applying heat shrink on a repair job, it is crucial to clean the area thoroughly to ensure a secure and protective seal. The correct option is b.
Explanation:
Before applying heat shrink on a repair job, the most critical precaution to take is to clean the area thoroughly. This step ensures the elimination of any contaminants that could interfere with the heat shrink's ability to form a secure and protective seal.
It's important to remove any dirt, oils, or moisture from the surface of the cables or wires to be encased by the heat shrink. Adhering to this procedure minimizes air exposure, eliminates contact with dry surfaces, and reduces handling time, aligning with the key principles of ensuring a durable and reliable repair job.
Before applying heat shrink on a repair job, one must take precaution by:
- Minimizing air exposure
- Ensuring the area is moist
- Eliminating contact with dry surfaces
- Reducing handling time
- These precautions are crucial to ensure a successful application of heat shrink on a repair job.