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Category Archives Knowledge

When Lightning Strikes!

When Lightning Strikes!

Ensure you have first-class lightning protection In the event of over-voltage lightning strikes, it is vital that critical systems and buildings are protected. The first step is to create a methodical and comprehensive lightning protection plan. Currently there is not a single piece of equipment that is able to eradicate the damaging effects of lightning, […]

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New Selection Guides And Cable Data Available Online

New Selection Guides And Cable Data Available Online

Want to know what product to terminate a 33kV cable with, or find out the under armour diameter of a 120mm 4 core cable? ETS Cable Components now offer a range of cable data and relevant accessory selector guides on their new website. Available as downloadable PDF’s, the cable data provides detailed information including: weight, […]

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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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Correct Way For Crimping Cable Lugs From TV Show Wheeler Dealers

Correct Way For Crimping Cable Lugs From TV Show Wheeler Dealers

Crimping cable lugs incorrectly can be disastrous and potentially be a fire risk. In this clip from Wheeler Dealers (Season 12, Episode 16 1958 Citroen HY van) presenter Ed China shows the correct way to crimp cable lugs. Ed uses a complete matched system from the same manufacturer (the crimp terminal, hydraulic battery crimper and […]

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Simple Ways To Reduce Buried Cable Risks Such As Warning Tape For Underground Cable

Simple Ways To Reduce Buried Cable Risks Such As Warning Tape For Underground Cable

Warning tape for underground cable and other ways for reducing risks from buried cables. In urban areas, it is common practice to bury power cables underground. Not only can this help to minimise cable damage during laying, but also it reduces the risk of cables being disturbed in future. Unfortunately, burying cables can cause issues […]

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Cable Jointers Guide To Stripping 11kV PICAS Cable

Cable Jointers Guide To Stripping 11kV PICAS Cable

‘PICAS’ stands for Paper Insulated Corrugated Aluminium Sheath cable. These 11kV cables feature a corrugated aluminium sheath, to improve flexibility, the corrugation valleys are filled with bitumen to prevent moisture penetrating along the underside of the outer red PVC sheath, which is added for corrosion protection. Removing the outer PVC sheath and Bitumen from PICAS […]

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Characteristics Of A Good Earthing System

Characteristics Of A Good Earthing System

The transient nature of lightning with its associated fast rise times and large magnitude currents mean that special consideration needs to be given to earthing, for lightning protection to be effective. Many factors such as soil resistivity variations, installation accessibility, layout and existing physical features are all site specific and tend to affect decisions on […]

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Earthing Electrodes and Earth Rods

Earthing Electrodes and Earth Rods

Earthing electrodes are specifically designed and installed to improve a systems earthing. These earth electrodes must ideally penetrate into the moisture level below the ground level to reduce resistance. They must also consist of metal conductors (or a combination of metal conductor types), which do not corrode excessively for the period of time they are […]

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What Does The UL94 Flammability Rating Mean?

What Does The UL94 Flammability Rating Mean?

UL is the abbreviation for the Underwriters Laboratories, this is an independent organisation in the United States to control and certificate product safety. UL provide safety related certification, validation, inspection and testing services to a range of clients including manufacturers, retailers, policy makers and regulators. Contained within their extensive list of testing and product standards, […]

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Why Choose An Exothermically Bonded Connection?

Why Choose An Exothermically Bonded Connection?

Exothermically welded connections and mechanical connections are very similar in their applications, yet their performance can differ greatly. As UK distributors of ERICO CADWELD welding systems, we explore the benefits of a exothermic bonded connection over mechanical connectors. The CADWELD Weld – Will carry more current than the conductor. – Will not deteriorate with age. […]

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