Podcast
Questions and Answers
What color pattern should the location box be painted to enhance visibility?
Black and yellow stripes.
Why is it essential to joint the screen and armour of copper cables with suitable wires?
To achieve the specified screening factor and ensure proper earthing.
What is the primary purpose of earthing the copper cable screen and armour?
To minimize the risk of electric shock and ensure safety.
How does effective earthing contribute to electrical safety?
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What should be done first to avoid electric shock during the installation process?
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What specific type of cable joints is recommended for ensuring proper screening and earthing?
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Why is the specific earthing of copper cable screens and armour critical for electrical installations?
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In the context of electrical safety, what sequence should be followed when working with copper cables?
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What visual markings should be applied to the location box housing the EC socket?
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What is the role of the copper cable screen in electrical installations?
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Study Notes
Location Box Safety
- The EC Socket should be fixed on the location box
- The location box should be painted with black and yellow stripes
Copper Cable Screening and Earthing
- Screen and armour of copper cables should be jointed with suitable wires
- This ensures the specified screening factor
- Copper cable screen and armour should be earthed with a low value earth
- Earthing should be done first to avoid electric shock from induction
Location Box Installation
- EC Socket should be mounted directly onto the location box.
- The location box needs to be painted with black and yellow stripes.
Copper Cable Screen & Armour Jointing
- The screen and armor of copper cables must be connected using suitable wires.
- This is crucial to achieve the required screening factor and ensure proper earthing at stations.
- The jointing process should be completed before any other work to avoid electric shock from induction.
Copper Cable Earthing
- The copper cable screen and armor must be earthed using a low-value earth connection.
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Description
This quiz covers important safety protocols regarding location boxes and the proper screening and earthing of copper cables. Understanding these safety measures is crucial for preventing electric shock and ensuring the integrity of electrical installations.
