CABLE TYPE SELECTION. What electrical cable type to use and what factors affect your choice.

This video looks at different cable types and their most frequent uses.

Correct choice of cable type is essential for the efficiency and safety of an electrical circuit. How we position a certain cable will make a huge difference to it’s expected service life and performance.

Many common, everyday, products can actually have a significant detrimental impact on the cables insulation, leading to degradation of the insulation, increased risk of damage to the cable and much reduced overall performance.

What do the different cable numbers mean, which cables can be installed underground, what cables can be used in rough service environments or in freezing conditions?

This video will give you an interesting introduction to the many factors to consider when selecting a certain type of cable.

Also take a look at our video - Matching Cable Size to Circuit Breakers - on the following link

This video is No.77 on our YouTube channel where we have videos on a wide range of electrical topics.
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Always work safely, electricity can be dangerous. If you are unsure, stop and seek advice.

[learnelectrics]

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[ramzg]

I really want to thank you so much for this brilliant learning videos, which history will always remember.

[viktor-patricksoki]

Thank you very much for the amazing content. Well explained in all videos !

[Al-ggjt]

Great video, thanks again bud! One question though, my old company used to categorise t&e or PVC/PVC cable as not suitable for outdoor use as a C2 when exposed to direct sunlight.. in your video you have it listed as suitable for "overhead supply to outbuildings if adequately supported by a catenary wire"...?

[danielteyehuago]

Please apart from this MFT instrument, which other instrument can be use to determine the resistance value of a cable for for a distance of 1m

[gbelectricks]

Could you clarify something Dave? I was always told that sy cable shouldn’t be used, as it wasn’t manufactured to a British standard. It even states this in the on site guide.