Canadian Electrical Industry News Week

Mar 1, 2021

Ron TellasBy Ron Tellas

Disruptive technology alters the way we operate, driving us to improve processes, operations and systems. 

We're always watching for changes that will impact the industry and bring new possibilities to the way our networks and cabling and connectivity infrastructure are designed and deployed. 

We rounded up a short list of four technology disruptions that Belden is monitoring closely and think you should be, too.

1. Single-pair Ethernet

An Ethernet protocol — known as single-pair Ethernet — has been designed to operate over a single pair of UTP/STP cable. Because it uses only two conductors, the cable is lightweight, cost effective and easy to install.

Although wireless devices can support some of the same applications, it’s important to remember that control and sensor devices require power, too. With hundreds or thousands of devices and sensors being deployed in a single facility alone, smaller is sometimes better when managing and routing cables. This makes single-pair Ethernet ideal for small IoT devices and sensors.

Single-pair Ethernet is expected to impact four areas:

• Enterprise IoT — single-pair Ethernet may support the connection of more low-data devices as the industry moves toward smart buildings.

• On-board automotive sensors — connected smart cars require data transmission to park automatically, warn of lane departures and support smartphone apps. Single-pair Ethernet can connect a car’s networking system to on-board microcontroller units to provide these features.

• Industrial automation — sensors and actuators similar to those in automotive applications are used in industrial environments as well. These devices don’t require high data rates but need to connect to the network to detect and report on things like environmental conditions, which can be supported by single-pair Ethernet.

• Up to 20W Power over Direct Line (PoDL) — single-pair Ethernet supports PoDL, which simplifies wiring by eliminating a separate power cable. Single-pair Ethernet makes power supply with data transmission possible.

What this means for your cable infrastructure

Single-pair Ethernet offers a way to bring all your controls, sensors and low-data devices onto an Ethernet network, as well as deliver power.

2. Wi-Fi

Wi-Fi is a critical component in today’s digital infrastructure; it offers untethered device connectivity and supports IoT and smart buildings. Once connected to Wi-Fi, devices can access the internet and communicate with other devices on the same network.

Wi-Fi standards are developed by IEEE and designated by the number “802.11” followed by letters that represent the technology’s generation and maximum speed and range. The Wi-Fi Alliance has taken these standards and marketed them as “Wi-Fi” followed by numbers and letters.

Here’s what we see on the horizon:

• Wi-Fi 6 (802.11ax), which will bring faster, more stable connections in high-density environments. It works in the 2.5 GHz and 5 GHz bands.

• Wi-Fi 6E, which is an extension of Wi-Fi 6 (using IEEE 802.11ax technology). It provides four times the amount of bandwidth offered by Wi-Fi and operates in the newly available 6 GHz band.

• 802.11ah (HaLow), which supports long-range, low-power wireless sensor networks. It works in the 2.4 GHz, 5 GHz and 6 GHz bands.

• 802.11ay, which is a WLAN that supports device connectivity via fixed point-to-point or point-to-multipoint outdoor backhaul technology. It works in the 60 GHz band.

What this means for your cable infrastructure

Behind any wireless network is a high-performance wired network: you’ll need cabling and connectivity specifically designed to support wireless infrastructure.

For example: combining the Category 6A performance you need with the Belden quality and reliability you expect, our REVConnect 10GXW System offers best-in-class noise immunity with 4 dB of PSANEXT and 10 dB of PSAACRF headroom. This level of performance eliminates slow network speeds and maximizes uptime in wireless environments. 

3. Small cells

Small cells transmit data to and from wireless devices, providing network coverage and adding targeted capacity indoors or outdoors. They improve wireless coverage by redistributing signals from cellular carriers, bringing them inside or dispersing them across a vast area.

4G LTE AdvancedPro and 5G licensed protocols require increasing numbers of small cells to provide wireless coverage, reduce bottlenecks and utilize Power over Ethernet (PoE).
What this means for your cable infrastructure

If you deploy in-building small cells, these applications require high-bandwidth wireless coverage and PoE.

As installation of access points and small cells increases to improve wireless coverage, the amount of pathway cabling required to support increased network capacity will increase, too.
In addition, small-cell deployments often utilize the millimeter wave spectrum, relying on fibre for the backhaul portion of the network. Fibre is preferred for the fronthaul portion of the network as well (the portion that connects the small cells).

4. Digital electricity

Digital electricity technology does exactly what its name implies: distributes electricity in a digital format, creating packets of energy that transfer from a transmitter to a receiver. If there’s a problem (improper wiring, someone touching transmission lines, etc.), then the transmitter stops sending energy packets. This creates a “touch-safe” electrical transmission, also known as a fault-managed system.

Digital electricity delivers power to applications posing distance limitations that PoE and remote DC powering can’t support. The technology provides power to wireless systems, such as a distributed antenna system (DAS), without needing direct power access nearby. When systems are powered remotely, you can install components in optimal locations instead of worrying about placement in conjunction with a power source.

What this means for your cable infrastructure

For maximum performance, you need a solution tailored to the demands of digital electricity: a cable that safely provides lots of power over long distances.

Belden’s DE cables - numberOfResults=25 are the only application-specific solution designed to support digital electricity. Designed in conjunction with VoltServer, the creator of Digital Electricity, the cables can transmit up to 2,000W or reach up to 2 km and be installed by power-limited systems integrators.

This article was first published online by Belden;

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Canadian Electrical Contractor Discussion Group: Can You Count the Deficiencies?

EIN CECD 400Have you ever been called to fix the work of a 'handyman'?

"Was supposedly done by a"certified ' electrician....told the homeowner that he got a $266 record at TSBC. Can you count the deficiencies?"

"There is a second panel change in the triplex also.......even more deficiencies. Think the guy was a glorified handyman. Ones not obvious: 240 BB heat hooked up 120....drier on 2p20....range on 2p50....water heater fed with 2c14 Bx on 2p15."

Go HERE to join the discussion



Surgelogic RecallProduct: Surgelogic™ NQ SurgeLoc™ Surge Protection Device.

Issue: The Surgeloc Surge Protection Device can experience an arc event, which can result in a fire hazard.

What to do: Consumers should immediately stop using the recalled surge protection devices and contact Schneider Electric for instructions on receiving a free equivalent replacement surge protector.



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Terry BeckerBy Terry Becker, P.Eng., CESCP, IEEE Senior Member

The electric shock hazard has been neglected.  Journeyman Electricians have accepted been shocked as part of the job, a “right” of passage, a badge of honour. 

This has not been acceptable and Journeyman Electricians may not be aware of the long term sequela health effects of receiving multiple low voltage electrical shocks and how it may have impacted them.  With respect to treatment there is only a single formal recognized treatment centre in Canada, the St Johns Rehab Centre. Electrical Injury Program.

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EIN Code Quiz 2Take this opportunity to test your knowledge of the Canadian Electrical Code - Part 1. Here are two questions on essential electrical systems: health care. 

You'll find the answers in EIN articles written by our code experts — mainly Bill Burr and Terry Becker — and of course in your own best practices. Answers will be posted on our website in a few days and published in our next issue. Good luck and share your results with our Facebook group: Canadian Electrical Contractor Discussions.



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The DV690 features five flexible mounting options: handheld, around the neck, clipped to a belt, strapped to an arm, or attached to a universal spline hot stick. The three handsfree possibilities allow the most optimal operation to efficiently and carefully complete a job. Using a hot stick creates a safer distance to target, extending operator reach.

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Its compact size allows you to take this site light on and off the jobsite effortlessly and its 4-1/4" metal hanging hook allows you to easily hang the light overhead. The durable light is equipped with a high impact polycarbonate lens to withstand harsh jobsite abuse. The LEDs never need to be replaced and are backed by a limited lifetime warranty. 

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EIN Green 100 400

By Blake Marchand

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EIN sat down with Osawe to learn more about WiRE and the substantial benefits it provides. Joanna is very personable and open regarding her career and her ambition, as well as the opportunities she is developing for women nationally and globally. 

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