Month: May 2018

Special considerations must be made when glanding SWA cables , as the cable gland or earthing system must be able to provide adequate . This article considers why it is important to ensure steel wire armour ( swa ) cables are effectively earthed. I came across an unusual arrangement regarding the earthing of the armour in a submain cable recently and wondered if anybody can see a . Why does SWA cable have to have to be earthed? What is the reasoning behind the requirement for the strands of core SWA cable to be earthe when there is already an earth cable within it?

SWA CABLE TERMINATION EARTHING GLANDS, BONDING CET. The use of the steel armouring as a CPC with the cable terminated at each end in. Where an SWA cable enters a plastic enclosure then an earth ring would be . Steel Wire Armoured Cable – construction, uses and how to install it.

Earthing the SWA is all about providing mechanical protection to the. The first cable run to the first light fitting should be earthe the problem . Does SWA cable need to have the steel armoured part earthed?

There seems to be debate about it online. Continue reading

One of the first things to consider when purchasing a non-traditional pet of any sort is where the animal will live. What type of cage or enclosure. A range of plastic and glass enclosures. Ideal for housing many species of scorpions.

High quality invertebrate homes.

If you have more than one scorpion in an enclosure , multiple hide areas should be provided. Driftwood and logs that are readily available at pet stores make . Enclosures and tanks for scorpions for sale from our scorpion shop. We have a large range of different types of scorpions tanks and cages available to buy. I have heard some with tarantulas like that it must . Is this a good enclosure for my Asian forest.

This Pin was discovered by Erickson Ramos.

Discover (and save!) your own Pins on Pinterest. Find scorpion enclosure ads. Buy and sell almost anything on Gumtree classifieds.

Substrates for your enclosure will vary depending on the species, with sand being optimum . Do not apply insecticidal agents because these may be fatal for the scorpion. In the afternoon I moved a scorpion , belonging to the genus Centruroides, to a larger enclosure. Continue reading

Shop our selection of highly accurate and simple to use portable relative humidity meters. A hygrometer is an instrument used for measuring the amount of humidity water vapor in the atmosphere, in soil, or in confined spaces. These humidity and temperature meters can be supplied with certificate traceable to Recognised National Standar if required.

All electronic instruments are CE . Experience the Extech Advantage.

Please subscribe WiFi Marketing channel for more useful videos about FREE Internet and WiFi Marketing. Temperature and humidity are two important factors in maintaining optimal comfort levels and good indoor air quality. Quickly and conveniently take accurate . Hygrometers and humidity meters are instruments used to measure the amount of water vapor in gases, most often air.

The amount of water vapor in air, the . Our versatile humidity measuring instruments are reliable partners for demanding measurements. Equipped with the innovative Testo humidity sensor, the Testo . Free next day delivery available.

Measures humidity ( RH), wet bulb temp. Comes with easy to read LCD screen. Continue reading

Many common appliances can cause interference to radio or television reception. A battery-operated portable AM radio can be used to locate . Many of these devices also listen to that. Learn about electrical interference and how to eliminate it from your home.

Review your understanding of electrical noise – what it is, the reasons for its generation and how to evaluate its effects – with this excerpt from . Another disturbance or annoyance in terms of rhythm detection, emanating directly from the surrounding environment , is electrical interference.

There are three basic types of interference: radio frequency interference (RFI), electrical interference and intermodulation. RFI is caused by radio and TV . Abstract: In some localities radio reception is seriously disturbed by interference arising from electrical apparatus in the vicinity. Part of the disturbance from . Find out information about electrical interference and read about simple steps for how to cut through it. When watching DTV through a SD STB we get electrical interfence in the way of pixelisation every time someone turns on a . Some of the radio frequency interference (RFI) problems in hospitals have been.

Disturbance to the normal or expected operation of electrical or electronic devices, equipment, and systems. Continue reading

Our RTL SDR dongle uses the latest R820Tchipset for better performance. This USB dongle can be used on many frequencies – Covering from 25MHz to . Low-Cost Software Defined Radio Compatible with Many SDR Software. This custom NooElec SDR is a modified DVB-T USB dongle tuned for SDR usage, . If you are looking for DV dongle in UK , then you have come to the right place.

There are several dongle rtl – sdr variants.

Since then tens of thousands of hams, . It is a DVB-T USB receiver that can be turned into a fully functional SDR receiver. The DVB-T receiver your looking for is based on . It provides the “ground segment”, a radio receiver designed to allow . A subreddit for the low-cost, DIY software defined radio ( SDR ) community. Please verify your dongle is working with a good antenna before . MiniDebConf Cambridge, Technofix has UK stock (online ordering), . This is a nice quality cable to connect an antenna with a BNC connector to .

Brand ADAFRUIT INDUSTRIES. SDR ( software defined radio ) is a new technology that offers a simple alternative to bulkier analog radio, adding more flexibility, tunable performance and a . Continue reading

EMF Meters And Ghost Hunting Equipment for Paranormal Investigations. FREE DELIVERY possible on eligible purchases. On television, professional ghost hunters frequently use EMF meters in their toolkits, but why is this? An EMF meter is among the most common devices used by ghost hunters today. I spoke to Tom Cook, of TomsGadgets.

Ghost hunting is the process of investigating locations that are reported to be haunted by ghosts.

Typically, a ghost -hunting team will attempt to collect evidence supporting the existence of paranormal activity. Clair of Team VIPER Paranormal reviews the EMF Ghost Meter for the purposes of. Ghost hunters use a variety of electronic devices, including EMF meters , . Another video taken in the attic with the bean bag. As we set up our static camera the EMF detector goes off. Clair of VIPER Paranormal talks about why paranormal investigators use electromagnetic.

Detect and hunt ghosts and spirits with easy to use EMF meters , EVP detection, and word analysis! K-II meters were among the first highly acclaimed EMF detectors used by ghost hunters. EMF stands for electromagnetic fiel and EMF meters are typically used to diagnose wiring issues and other electrical anomalies. Continue reading

A dry lining switch socket box is simple and fast to fix to a plasterboard wall or ceiling with some basic tools. They sit flush against the surface helping to provide. Appleby 2G 35mm Dry Lining. Extra Deep Dry Lining Back Box: Amazon.

Free delivery and returns on eligible orders.

Back boxes are used behind face plates, they allow the face plates to be screwed and secured flush to a wall. This back box should be used with a plaster . The Deta Dry Lining Boxes come with a year . How to fit a dry lining back box in a stud partition wall. Although a good enough box the difficulty comes in trying to affix the socket plate.

The blue ears are very easily pushed back Ito the box by the fixing screws . How to install a dry lining back box into a plasterboard wall.

As they are tightened they pull the clips up tight to the back of the plasterboard. This Back Box is fitted with a Termination PCB to allow site cabling to be terminated and tested prior to connecting the Remote Unit or . Hi all We got an issue with a builder and plaster at the moment, and when the electrician should put the plasterboard back boxes in. Continue reading

Designed to be fitted without having to disconnect sockets or switches by trapping the surround between the facia plate and the wall there is no need for . Whether required to match existing electrical components or to create a decorative statement, light switch surround plates are available in a range of colours and . Please read the guide that will be included with your surround (s). FREE DELIVERY possible on . Looking for something to add that finishing touch?

Decorative surrounds available for single or double sockets with styles and Colours. Products – Stay switched on with our huge range of switches and plug sockets. Dimensions: Overall: 135mm x 185mm Cut Out: 75mm x 75mm.

If you print this Thing and display it in public proudly give attribution by printing and displaying this tag. Buy low price, high quality plug socket surround with worldwide shipping on AliExpress. Light switch surround finger plates are designed to fit behind a wall switch to protect the surrounding wall area from finger marks.

Our Surrounds Simply Fit Behind Your Existing . Slide the surround over the fitting diagonally.

Continue reading

Sales, Supplies, and Service. Shop with confidence on eBay! Buy Yaesu FT-857D Amateur Radio Transceiver – HF, VHF, UHF All-Mode.

Receives 30khz to 35Mhz, Transmits on the Amateur . How to Build A 1Watt Dummy Load for HF Ham Radio. A distinctive feature of the transceiver is the modern technology of processing data in DSP and .

We pride ourselves on offering wide range of high quality portable HF transceiver , Yaesu mobile and ICOM radios in UK. Unsubscribe from IZØKBA – Stay. Ham radio is another name for amateur radio. With ham radio , you can call other users on designated “amateur band” frequencies. By definition, “amateur” radio . Need help picking out your first handheld ham radio ? Explore our buying guide and reviews.

For almost years, the company has.

Learn about the basics of ham radio and how to get started with this fun electronics design project by building a radio circuit in Autodesk EAGLE. K3S High Performance 160-M 100W Transceiver. These web sites have great information on Ham Radio , License training manuals and where to take your . People use ham radio to talk across . Continue reading

The modern home uses a lot of juice. Decades ago, it was simply appliances, lights, the radio, and the TV that consumed electricity. For example, you can purchase a wattage measuring.

Estimate how much juice your PC is using with a quick calculator, or measure it with a cheap power meter. Remember that almost every device you can plug into the wall has a label or engraving that tells you how much energy it uses.

More on figuring energy use . Currently, the best electricity usage monitor is the Sense Home Energy. researchers have been writing reviews of the latest electricity. Have you ever asked yourself, what is energy measured in? The primary way electricity consumption is measured is with the unit “ watt -hour”. Buy with confidence as the condition of . With this power consumption meter you can measure the power usage and cost of any plug-in appliance.

Uncover your energy hungry appliances.

Killawatt meter measuring the power consumption of several items. Electricity is measured in units of power called Watts, named to honor James Watt. Electric utilities measure the electricity consumption of their . Continue reading