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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 […]
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 […]
Ellis Centaur Cable Saddles Installed In National Grid Power Tunnels
Centaur cable accessories and saddles manufactured by Ellis have begun to be installed in National Grid’s London Power Tunnels project. The cable saddles, which are being used to secure high voltage (HV) cables throughout 32km of tunnels under London, were specified in 2012 in a record £1.5million order for the Yorkshire-based cable cleat manufacturer. Richard […]
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. […]
InfraRail 2014 – Who To Visit?
Held at Earls Courts 2, the annual InfraRail exhibition opens it’s doors to the railway infrastructure industry on 20th May. Providing a unique opportunity for the rail market to connection in one place, against a backdrop of business generation, discussion and innovation. Featuring a myriad of exhibitors, product demonstrations, keynote speakers and seminars, if you […]
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, […]
