power over ethernet …cable · area networks (man) and wide area networks (wan). 23 so, just what...
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Power over Ethernet …cable Product standards and Installation code Updates
Julian Mereuta - June 1, 2017 – Banff, Alberta
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Content
1. CSA Group
2. Standards and Codes - Canadian Regulatory Landscape
3. Power over Ethernet – the Paradigm Shift
4. CE Code Part I – Proposed Changes
5. Product Standards – Proposed Updates
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• Established in 1919
• Independent, not-for-profit
• One of the global leaders in standards development, product testing and certification, product evaluation
A better, safer, more sustainable, world…
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• 8,900 Engaged and Dedicated Volunteer Members
• 1800 Employees
• 1,300 Standards Technical Committees
• 3,000 + Standards, Codes and Related Products in 54 technologies
• +35,000 Customers
• 38 offices in 15 countries
… where Standards work for people and business.
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Key Geographies
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Singapore
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CSA Group Marks
CSA Group marks appear on billions of qualified products worldwide
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2. Standards and Codes -Canadian Regulatory Landscape
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Canadian Electrical Code
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Canadian Regulatory Landscape
... or CE Code Part I
... or CSA C22.1
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• Canada’s model Code for electrical safety
• Covers installation and maintenance of all electrical equipment
• Primary purpose: prevention of fire and electric shock
• First edition published in 1927
• Next edition (24th) to be published in Jan. 2018
About the Canadian Electrical Code, Part I
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Executive Committee
Regulatory Authority Committee
National Building Code Liaison Committee
SMC/IEC/TC 64 Mirror Committee
Committee Structure
TC on Consumer and Commercial
PRODUCTS
TC on Industrial PRODUCTS
Steering Committee on
Requirements for Electrical Safety
(SCORES)
Technical Committee on Canadian
Electrical CODE, Part I
Technical Subcommittee(Section xyz)
Technical Subcommittee(Section 4)
Technical Subcommittee(Section 2)
Technical Subcommittee(Section 6)
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Canadian Electrical Safety System
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Canadian Regulatory Landscape
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Certification
SAFETY
ProductStandards
Regulation
Canadian Electrical Safety System
• Integrated system: CE Code Part I and product safety standards
• Facilitates and supports Trade
• Enhances Labour mobility• Full regulatory participation.• All industry stakeholders
represented.
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ProductStandards
C.E. Code Part II Electrical product safety standards
CE Code, Part I Installation Code
CE Code, Part I Mandates “Approved”
equipment
Product Standards
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Certification
Certification marks provide evidence of “Approval ” to regulators, installers, and
consumers
Products complying with the standards are eligible to bear
the certification mark
Electrical product safety standards
Certification
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Regulation
Regulation
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Regulatory Landscape
Who is responsible for electrical safety?
• Each Province• Each Territory
* Federal government responsible for areas under Federal jurisdiction.
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Code Adoption - Goals
• within 6 months of publication
• with as few Provincial and Territorial amendments
as possible
2015
2012
As of May 2017
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3. Power over Ethernet –the Paradigm Shift
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Power over Ethernet
… the capability to deliver 42-57 VDC over the same copper cable used currently for Ethernet networks.
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So, just what is Power over Ethernet
… and requires at least 2 main elements:
- Power sourcing equipment (PSE)
- Powered device (PD)
… and in some cases requires a
- Power injector (PI)
… cable?
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Ethernet
… is a family of computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN).
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So, just what is Power over Ethernet …cable?
• Commercially introduced in 1980 • First standardized in 1983 as IEEE 802.3, • Original 10BASE5 Ethernet -> coaxial cable • Newer Ethernet variants -> twisted pair and
… fiber optic links in conjunction with hubs or switches.
2003 IEEE 802.3af 15 W2009 IEEE 802.3at 30 W2017 TBD IEEE 802.3bt (under development) 95 W
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Do benefits overcome drawbacks?
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• Energy savings
• Flexibility
• Cost Savings
• Ability to measure and report performance
• Flicker• Cybersecurity • Interoperability• Glare• Electronic noise
• Voltage drop• Heat generation • Configuration complexity
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How complex is …“complex”…?
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4. CE Code Part I –Proposed Changes
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Timeline
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• September 2016 - Task Force (CSA + Industry) – drafting the CEC Part I proposals to allow installation of Limited
Power (LP) equipment (a.k.a. PoE).
• Dec 2016 - Proposal submitted to TSC on Section 16 – Review concluded with 5 negative votes. They were all resolved.
• March 2017 - Subject 4168 issued for Part I committee ballot
Nexans Comtraining PhilipsIAEI ESA Ontario Berk‐TekDeca Cables Inc BCIT CSA GroupElectro Cables Inc Guild Electric Cisco
Approval Disapproval
33 4
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Subsection 16-300 - Scope
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Table 60 - Allowable ampacities
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Table 60Allowable ampacities for copper, eight-conductor, Class 2 power and data circuit cables (based on an ambient temperature of 30 °C)
(See Rule 16-330)
Size AWG
Allowable ampacity
Number of cables in one cable bundle1 2 - 7 8-19 20-37 38-61 62-91 92-192
60°C
75°C
90°C
60°C
75°C
90°C
60°C
75°C
90°C
60°C
75°C
90°C
60°C
75°C
90°C
60°C
75°C
90°C
60°C
75°C
90°C
26 1.0 1.0 1.0 1.0 1.0 1.0 0.7 0.8 1.0 0.5 0.6 0.7 0.4 0.5 0.6 0.4 0.5 0.6 NA NA NA24 2.0 2.0 2.0 1.0 1.4 1.6 0.8 1.0 1.1 0.6 0.7 0.9 0.5 0.6 0.7 0.4 0.5 0.6 0.3 0.4 0.523 2.5 2.5 2.5 1.2 1.5 1.7 0.8 1.1 1.2 0.6 0.8 0.9 0.5 0.7 0.8 0.5 0.7 0.8 0.4 0.5 0.622 3.0 3.0 3.0 1.4 1.8 2.1 1.0 1.2 1.4 0.7 0.9 1.1 0.6 0.8 0.9 0.6 0.8 0.9 0.5 0.6 0.7
Notes:1) Ampacities shown are for each conductor of the eight conductor cable.
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PSE - Output Limitations
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LP – Limited Power cable
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LP versus non-LP
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Slide Specifications
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Separation of conductors
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5. Product Standards –Proposed Updates
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Product Standards – Proposed Updates
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CABLE(Data & Power)
PSE(Power Sourcing Equipment)
PD(Powered Device)
CSA C22.2 No. 60950Binational (Canada / USA)(Transition to 62368‐1)
Binational (Canada / USA)C22.2 No. 214 (updates)
‐ CSA C22.2 No. 233 (updates)‐ C22.2 No. 182.4 (updates)
CSA C22.2 No. 250.2 (under development)
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• 2nd edition adopted in 2014. 3rd
edition at FDIS will include “DC power transfer through information technology communication cabling”
Challenges
• those familiar with IEC 60950-1 to adopt the Hazard Based Safety principles in equipment design
• assess the potential impact of requirements in IEC 62368-1 on existing equipment which has been designed using IEC 60950-1.
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Power Supply Equipment
CAN/CSA‐C22.2 NO. 60950‐1 Information Technology Equipment ‐ Safety (Bi‐national)
FUNDAMENTAL TRASITION
CAN/CSA‐C22.2 NO. 62368‐1 Audio/video, information and communication technology equipment (Bi‐national)
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Cable products
CSA C22.2 NO. 214 Communications cables (Bi‐national)
8th edition published in March 2017
Relevant Changes:
• New Clause 7.24 - Cable heating test for cables marked –LP
• Marking for LP (xx) cables
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• C22.2 No. 233 - Cords and cord sets for communication systems
• NE published in June 2017
• Scope change to include DC cords
• Marking for the DC type cords
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Connectors
Connectors:‐ CSA C22.2 No. 233 (updates) ‐ C22.2 No. 182.4 (updates)
• Similar update to C22.2 No. 182.4 - Plugs, Receptacles, and Connectors for Communication Systems
• Testing for DC connectors is fundamentally different
• Lengthier process - a new Annex is being developed for DC type connectors
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• Seed document ready for TF review
• Jan. 2018 – Expected Publication
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Low Voltage Lighting Systems
C22.2 No. 250.2 (under development) Proposed ScopeThis Standard applies to lighting systems equipment, either factory or field-assembled, designed to be used in non-hazardous locations, which may be smart enabled, designed to control various loads (such as CFLs, LEDs, Tungsten-halogen lamps, motors, receptacles etc.) for commercial, industrial or residential applications and intended to be installed in accordance with the rules of the Canadian Electrical Code Part I, C22.2 No.1.
These requirements cover:a) Controls and Power Source Equipment limited to voltage levels below the risk of electric shockb) PoE and other extra low-voltage and low-voltage luminaires and lighting systems equipment. c) Interconnection with building management and control systems (such as HVAC, security, A/V etc…).
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THANK YOU!
Bibliography:
http://shop.csa.ca/en/canada/landing-pages/2015-canadian-electrical-code-part-i-/page/cecode2015https://commons.wikimedia.org/w/index.php?curid=4556037www.luxreview.comhttps://energy.gov/eere/office-energy-efficiency-renewable-energyhttp://www.transcendled.com/