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Category Archives Question and Answer

Guest Blog: Cable Cleats V Stainless Steel Cable Ties

Guest Blog: Cable Cleats V Stainless Steel Cable Ties

Should you be using cable cleats instead of stainless steel cable ties for your next project? ETS stocks both product types and we’re often asked which is the most suitable for a particular installation. ETS recently caught up with Richard Shaw from cleat manufacturer Ellis for his thoughts on stainless steel cable ties and cable cleats. […]

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What Is Exothermic Welding And Why Is It Used?

What Is Exothermic Welding And Why Is It Used?

Exothermic welding – also known as thermite welding or exothermic bonding – is a process for permanently joining earthing (grounding) or lightning protection conductors together. An exothermic weld can be especially useful for joining dissimilar metals. The process has the advantage in that it requires no external heat source and works by employing a chemical […]

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Q&A: What are the differences between crimp connectors and mechanical shear-bolt type connectors?

Q&A: What are the differences between crimp connectors and mechanical shear-bolt type connectors?

Question: What are the advantages or differences between using mechanical connectors over the traditional crimp connector system? Answer: Crimp connectors have been popular for many years, but mechanical connectors with bolt heads, which shear off once a certain torque, are becoming universally acceptable. The advantages a modern mechanical connector has over crimp connectors are: They […]

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Q&A: What are the Advantages and Disadvantages of Using Separable Connectors?

Q&A: What are the Advantages and Disadvantages of Using Separable Connectors?

Question: I’m thinking of using separable connectors for a termination, what are the pro’s and con’s of using these deadbreak connectors over traditional Heatshrink or Coldshrink terminations? Answer: Separable connectors, also know as screened elbows or tee connectors, offer an alternative method of terminating cable. As with any method of cable termination there are positives […]

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Q&A: What are the different earthing uses of the two forms of Bentonite?

Q&A: What are the different earthing uses of the two forms of Bentonite?

Question: What is the difference between the two forms of bentonite, do they both serve the same earthing applications? Answer: Bentonite moisture retaining clay is available in two forms, Granulated and Powder. Granular is the preferred option for filling trenches where the conductor is covered and then water poured over and mixed in the trench. […]

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Q&A: Maintaining an IP66 seal throughout a cable gland connection and equipment entry

Q&A: Maintaining an IP66 seal throughout a cable gland connection and equipment entry

Question: I need to install a brass CW gland into an IP66 enclosure, however I need to ensure the IP rating is maintained throughout the cable connection and equipment entry. How is this done? Answer: All cable glands are supplied with an IP (ingress protection) rating, which refers to the level of sealing effectiveness as […]

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Q&A: When Should A Hazardous Area Cable Joint Be Used?

Q&A: When Should A Hazardous Area Cable Joint Be Used?

Question: In what situation and applications should I use a Hazardous Area cable joint over a standard resin-filled joint? Answer: A Hazardous Area joint kit should be used if you have a requirement for your cable jointing solution, to be flame retardant, halogen-free or hydrocarbon resistant. All of our 3M Hazardous Area joints have been […]

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Q&A: Are bushing extenders available for Euromold Interface C bushings?

Q&A: Are bushing extenders available for Euromold Interface C bushings?

Question: Are bushing extenders available for the Nexans Euromold Interface ‘C’ bushings? I have noted extenders are available for Interface D and E bushings but cannot find any examples for the interface C range. Answer: Unfortunately 400series bushing extenders do not exist. Being a European-designed product, it as always felt that sufficient control could be […]

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Q&A: How to Properly Remove A Bonded Screen With A Removal Tool?

Q&A: How to Properly Remove A Bonded Screen With A Removal Tool?

Question: I’m about to use a bonded screen removal tool for the first time, how do I make sure it works correctly and the screen is properly removed from the cable? Answer: When terminating or jointing MV cables with a bonded semi-conductive screen, this will have to be shaved from the cable primary insulation to […]

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Q&A: How Do I Use A Trefoil Cleat on Triplex Cables?

Q&A: How Do I Use A Trefoil Cleat on Triplex Cables?

Question: I need to secure a cable in triplex formation with the use of a trefoil cleat, how would I go about doing this? Answer: Triplex cables are formed by having their three cores twisted around each other, this causes an issue when trying to secure the cable with traditional trefoil cleats. As the relative […]

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