Scrap Metal | Will It Make You Rich?

I have been scrapping metal cable since I was an apprentice, copper cable mainly.
Will It Make You Rich?
I have never used aluminium cable.
There is probably a good reason for that.

All the tools used in the video can be seen here on amazon https://www.amazon.co.uk/shop/toolboxtalkforelectricians?ref_=cm_sw_r_cp_ud_aipsfshop_aipsftoolboxtalkforelectricians_7HCWCVT3MTZN669RW9PV

Not only the tools used in the video, but all the tools I use as an electrician.

Transitioning from stripping copper cables as an apprentice to encountering aluminium cables can indeed mark a significant shift in one's electrical work experience. Let's explore the nuances of working with both copper and aluminium cables and why your familiarity may have primarily been with copper.

Material Properties: Copper and aluminium are two common materials used in electrical wiring due to their conductivity properties. Copper is an excellent conductor of electricity and is known for its reliability, durability, and resistance to corrosion. On the other hand, aluminium is lighter and less expensive than copper but has lower conductivity and can be more prone to oxidation.

Historical Preference: Historically, copper has been the preferred choice for electrical wiring in many applications due to its superior conductivity and long-term performance. As a result, apprentices and electricians often gain extensive experience working with copper cables during their training and early career stages.

Compatibility and Standards: Electrical systems and components are often designed and manufactured based on specific materials and standards. Copper and aluminium cables may have different characteristics and requirements in terms of sizing, connections, terminations, and compatibility with equipment. This can influence the choice of materials based on the application and regulatory standards.

Safety and Performance Considerations: While aluminium cables can be suitable for certain applications, such as overhead power lines or large-scale installations where weight and cost considerations are significant, they require specialized handling and precautions. Aluminium's lower conductivity necessitates larger wire sizes compared to copper for the same electrical load, which can impact installation practices and equipment compatibility.

Oxidation and Corrosion: Aluminium cables are more susceptible to oxidation and corrosion when exposed to environmental elements or improper installation practices. This can lead to issues such as increased resistance, overheating, and potential safety hazards if not addressed properly. Electricians need to be aware of these differences and follow recommended practices for working with aluminium conductors.

Training and Exposure: The focus of apprenticeship programs and early training often revolves around foundational skills and practices, which may primarily involve copper wiring due to its prevalence in residential, commercial, and industrial applications. As electricians gain experience and encounter diverse projects, they may expand their knowledge and skills to include handling aluminium cables where necessary.

Continuing Education and Adaptation: With advancements in materials technology and evolving industry standards, electricians may undergo additional training or certifications to stay updated on best practices for working with different types of cables, including aluminium. This ongoing learning process ensures that professionals can effectively meet the requirements of diverse projects and deliver high-quality electrical installations and services.

In conclusion, while your experience with stripping copper cables during your apprenticeship has provided valuable skills and knowledge, encountering aluminium cables may require additional training, precautions, and awareness of material-specific considerations. Understanding the differences between copper and aluminium conductors and following recommended practices ensures safety, compliance, and optimal performance in electrical installations and maintenance tasks.