Canadian Electrical Industry News Week

 

Dec 10, 2018

Bill BurrBy William (Bill) Burr

The Code is a comprehensive document. Sometimes it can seem quite daunting to quickly find the information you need. This series of articles provides a guide to help users find their way through this critical document. This is not intended to replace the notes in Appendix B or the explanations of individual requirements contained in the CEC Handbook** but will hopefully provide some help in navigating, while reading the code.

The 24th Edition of the CE-C, Part I, (C22.1-18)* is now available from CSA Group. This discussion of Section 78 — Marine Wharves, Docking Facilities, Fixed and Floating Piers, and Boathouses is based on the new edition.

In this article: Tables — Part B. This section of the Code contains 99 tables of essential information that is referenced by various Rules of the Code. Tables referenced by Rules are considered normative (mandatory) elements of the Code. Note that the D tables of tabulated information in Appendix D are considered non-normative (non-mandatory) elements. The tables are in numerical order based on when that table was included in the Code. Since this is a large section it will be discussed in two parts. This is Part B covering Tables 36 to 69.

Tables 36A and 36B, referenced by Rule 4-004, provide maximum allowable ampacities for aluminum and copper conductor, respectively, neutral supported cables, based on phase conductor size, and type.

Table 37, referenced by, Rule 28-104, provides motor supply conductor minimum temperature rating based on, an ambient temperature of 30 degrees centigrade, type of motor enclosure, and class rating of the insulation.

Table 38, referenced by Rules 8-202 to 8-210 provides the demand factors for electric vehicle supply equipment, based on the number of automobile spaces or stalls per feeder, and the maximum load in watts per space or stall.

Table 39, referenced by Rule 4-004 (22), provides the minimum permitted service conductors (based on Tables 2 and 4), for 3-wire 120/240 V and 120/208 V for single dwellings and feeder conductor or cable size supplying single dwelling units of row housing, apartment, or similar buildings and terminating on equipment having a conductor termination temperature of not less than 75 °C, and based on the overcurrent device rating, calculated loads, and conductor size for copper or aluminum. Note that this table applies only to conductors sized for loads calculated in accordance with Rules 8-200(1) (a), 8-200 (2), or 8-202 (1).

Table 40, referenced by Rule 12-1006, provides the number of external threads per 25.4 mm (inch), and minimum and maximum length of thread in millimetres per trade size of rigid metal conduit.


Table 41, referenced by Rules 10-614 and 70-126, provides the minimum size of bonding jumper for service raceways per the ampacity of the largest service conductor or equivalent multiple conductors, for either copper or aluminum.

Table 42 is deleted.

Table 43, referenced by Rule 10-102, provides the minimum bare copper conductor size for concrete-encased electrodes, based on the ampacity of the largest service conductor or equivalent multiple conductors.

Table 44, referenced by Rules 8-010 and 28-704, provides full load current for three-phase AC motors by motor rating in horsepower, per rated voltage, and per induction type, squirrel-cage and wound rotor motors, or synchronous type unity power factor motors.


Table 45, referenced by Rules 28-010 and 28-704, provides the full load current for single-phase AC motors by horsepower per 115 or 230 volts.


Table 46 has been moved and is now Diagram 1.

Table 47 has been moved and is now Diagram 2.

Table 48, referenced by Rule 70-104, provides the minimum trade size of conduit for mobile homes per rating of the main overcurrent protection device and whether the system ground is excluded or included.

Table 49, has been moved and is now Diagram 3.

Table 50, referenced by Rule 26-250, for transformers provides the percentage of maximum setting or rating of the primary and secondary overcurrent protection device per the rated impedance of the transformer.

Table 51, referenced by Rules 36-300, 36-308 and Appendix B, provides the minimum size of bare copper grounding conductors for a high-voltage installation, based on the maximum available short-circuit current, the maximum fault duration, and whether the joint is brazed, made by an exothermic weld, compression or bolted joint.

Table 52, referenced by Rules 36-304, 36-306, 36-308, 36-310, and 36-312, provides tolerable touch and step voltages, based on type of ground, soil resistivity in ohms per meter, and fault duration.

Table 53, referenced by Rule 12-012, provides minimum cover requirements in millimeters for direct buried cables or insulated conductors in raceways, based on wiring method, and whether installed in vehicular or non-vehicular areas.


Table 54 has been moved and is now Diagram 4.

Table 55 has been moved and is now Diagram 5.

Table 56, referenced by Rule 2-308, provides the minimum working space around electrical equipment having exposed live parts, based on the nominal voltage to-ground.

Table 57, referenced by Rule 16-210 (6) and Table 5A, provides allowable ampacities for Class 2 copper conductors based on the size of conductor and whether it is a single conductor in free air, or not more than three copper conductors in raceway or cable, and an ambient temperature of 30 degrees centigrade. Where there are more than three conductors in raceway, use the derating factors provided by column 3.

Table 58, referenced by Rule 40-002, for short-time-rated crane and hoist motors, provides ampacities for up to four insulated copper conductors in raceway or cable for the operating temperature and duration, at an ambient temperature of 30 degrees centigrade. For five or more power conductors in raceway or cable, the ampacities shown in this table are reduced by 80%. For ambient temperatures over 30 degrees centigrade, apply the derating factors in Table 5A.

Table 59, referenced by Rule 60-704, provides the minimum size of protector grounding conductors for communications systems, based on the maximum number of protected circuits, and whether they are fused or fuseless.

Table 60, referenced by Rule 16-330, provides allowable ampacities for copper, eight-conductor, Class 2 power and data communication circuit cables, based on conductor and cable size, and number of cables in a bundle.

Table 61, referenced by Rule 68-056, provides the minimum horizontal separation from pools of buried cable, depending on the type of installation (communication or power) and, whether the cable is direct buried unjacketed with bare neutral, cables with a semi-conducting jacket, cables with a non-conducting jacket, or conductors in non-conducting ducts.
Table 62, referenced by Rules 38-013 (2) and 38-014, provides feeder demand factors for elevators, based on the number of elevators on a single feeder.


Table 63, referenced by Rule 20-034, outlines the hazardous areas for propane dispensing, container filling, and storage, based on location, extent of the hazardous location, and the Group IIA hazardous location.


Table 64, referenced by Rules 20-062 and J20-062, outlines the hazardous locations at NGV fuelling facilities, based on location, and the extent of the hazardous location zone or division.

Table 65, referenced by Rules 2-400 and 2-402, provides the enclosure selection table for non-hazardous locations, based on the degree of protection against the environmental conditions, the enclosure type, and whether its for indoor only or Indoor/outdoor use.

Table 66, referenced by Rule 4-004 (22), provides ampacities for bare or covered conductors in free air, based on 40 degrees centigrade ambient temperature, 80 degrees centigrade total conductor temperature, and 610 millimetres per second wind velocity, for both copper and aluminum conductors.

Table 67, referenced by Rule 62-200, provides the minimum clearance requirements for installed space heating systems, based on type of heating system and location, and the types of obstructions and protrusions.

Table 68, referenced by Rule 8-102, provides the maximum insulated conductor length, for 120 V single-phase circuits in dwelling units, measured from the supply side of the consumer’s service to the furthest point of utilization, on a circuit using 90-degree centigrade rated copper insulated conductors, at 30 degrees centigrade ambient temperature, based on size of conductor and overcurrent protection rating.


Table 69, referenced by Rule 20-202, outlines hazardous locations at bulk storage plants, by location, extent of the hazardous location, and the zone of the hazardous location.

In the next instalment, we will be discussing the Diagrams and the Appendices Sections of the Code.

* The source for this series of articles is the Canadian Electrical Code, Part I, (C22.1-18) published by CSA.

** Note the CEC Handbook is also published by CSA.

William (Bill) Burr is the former Chair of the Canadian Advisory Council on Electrical Safety (CACES), former Director of Electrical and Elevator Safety for the Province of BC, and former Director of Electrical and Gas Standards Development and former Director of Conformity Assessment at CSA Group. Bill can be reached at Burr and Associates Consulting billburr@gmail.com.

 

Changing Scene

  • Prev
In his new role as Stelpro's Vice-President, Sales and Business Development, ...
The Support Equity and Under-Represented Groups project will address the under-representation of ...
Show your support by sharing a photo or experience of how a lineworker has made an impact in your ...
Eleven highly accomplished Hamiltonians are being honoured by Mohawk College as Distinguished ...
Canada’s Minister of Natural Resources recently announced the Governor in Council has ...
ABB recently won an order of eBus charging solutions to support TTC as it modernizes its service ...
A consortium of Canadian energy organizations has been shortlisted to develop the electricity ...
Skills Ontario Summer Camp is a week-long day program for kids entering Grades 7-9.   ...
  Glen Dimplex Americas is proud to announce that its Vancouver facility was recently ...
May 13 to 19 is Powerline Safety Week in Ontario, which is meant to inform people across the ...

Electrician Forum Brought to you by Schneider Electric

As industry experts you know the products you use everyday better than anyone and should have input on what information you receive about products and what could improve them.

Therefore, we want your insight on the biggest challenges or issues you face when installing loadcentres, breakers (CAFI, GFI's…) and other surge protection devices. We ask that you do not provide product specific details but rather your general issues and concerns or any questions that have come to mind while working with these product types. Provide us with your valued expert insight into the issues you have faced so manufacturers can better inform you about the installation and use of these products. Lets generate some discussion that will help guide the Industry.

Make your comments  HERE

 

ABB TXploreOn May 30, 2019, ABB was honoured with an Electrical Review Excellence award for its ABB Ability inspection for transformers – TXplore -- in the ‘Power Product of the Year’ category. Electrical Review is the leading electrical industry publication in the UK.

The judging panel, under the leadership of the highly-respected industry figure – Prof. Ian F. Bitterlin, Consulting Engineer and Visiting Professor at University of Leeds, was impressed by the capability of TXplore to make transformer inspection a much safer activity while also boosting asset availability for power grid operators.

 

Read More

 

 

 

Codes and Regulations Brought to You by the CSA Group

  • Prev
The Code is a comprehensive document. Sometimes it can seem quite daunting to quickly find the ...
The Code is a comprehensive document. Sometimes it can seem quite daunting to quickly find the ...
In this article: Tables — Part B. This section of the Code contains 99 tables of essential ...
In this article: Section 58 — Passenger Ropeways and Similar Equipment. Rule 58-000 ...
  Unauthorized CSA Group certification marks have been found on wiring by Triumph Cable ...
In this article: Section 52 — Diagnostic imaging installations. The CE code is a ...
In this article: Section 46 — Emergency Power Supply, Unit Equipment, Exit Signs, and ...
  In this article: Section 44 — Theatre Installations. The CE Code is a ...
CSA has published C22.2 No. 60947-7-3, the harmonized standard for low-voltage switchgear and ...
  Electric welders. The CE Code is a comprehensive document. Sometimes it can seem ...

 

Lighting ProjectLocated at one of the busiest retail intersections in Montreal’s downtown core, 1411 Crescent is a beautiful art deco structure built in 1934. Four floors of offices sit above retail space on the northeast corner of Ste-Catherine Street. BTB Real Estate Investment Trust purchased the building in 2018 and with its own team growing, chose to move its company headquarters to the new space. They appreciated the charm of the building, and its ideal location in the Golden Square Mile.

To signify this important move, BTB REIT sought to enhance the building’s façade to make it more impactful on this vital city block.

 

Read More 

Latest Articles

  • Prev
Pick up a newspaper or scan your preferred electronic newsfeed and you’ll likely see a series ...
Britech Corp, one of Canada’s largest heating cable companies has signed a formal agreement ...
Electrical enclosures serve to protect electrical devices from adverse environmental influences, ...

 

ABBTechFor decades, ABB has made intricate scientific instruments that measure and analyze gases in the atmosphere to help scientists better understand its composition and evolution. Now, ABB is helping to more accurately measure greenhouse gases (GHGs), which are trapping heat in the atmosphere, resulting in an increase in global surface temperature.

One such instrument is an ABB interferometer carried aboard the Greenhouse Gases Observing Satellite-2 (GOSAT-2), which was launched in October 2018 as part of a Japanese government project. 

Read More

 

 

Tools for the Trade

  • Prev
  IDEAL Industries has introduced Combination Drill Taps to its tool lineup. Combining the ...
  Stripping and crimping device, 100 - 240 V input voltage, for insulated ferrules with a ...
Professional all-in-one cutter/stripper for coaxial and twisted pair cables     ...
  Klein Tools' Coax Explorrer 2 tests coaxial cable and maps up to 4 locations   ...
  Ideal Industries' T-14 wire stripper s are ideal for all professionals working within the ...
  The ATS850 conveyor eliminates all types of electro static discharge requirements. ...
  Lorik Tool & Automation has the experience and ability to manufacture a variety of ...
  Ideal Industries' 26 piece insulated Journeyman kit is ideal for new electricians or for ...
  Klein Tools Deluxe Fish Rod Set comes in 19 pieces that when assembled can fish wire and ...
  BendWorks Software was designed to help electrical contractors adopt this new process ...

Con's ElectricCon’s Electric Company Limited was established in 1985. Based in Timmins, Ontario — 700 kilometres north of Toronto — their location is central to Ontario’s mining and lumber industries. They offer over 30 years of experience and continue to grow. A two-person operation at their inception, they have grown to a team of over 20 dedicated electricians and support staff. They enjoy the challenges of the construction and industrial workplace, and feel rewarded when a job is well done.

Con’s Electric Company Limited is a bonded company, provides a wide range of electrical needs, and is customer driven with services tailored to specific client needs. This ensures that client expectations are always met.

Read More

 

Product News

  • Prev
Single Phase Power Solutions introduces the 30 HP Belle Single-Phase Motor™ which uses ...
Emerson expands the innovative Greenlee Shear 30T with seven new die sets and a new bare kit ...
ASCO Power Technologies offers its Model 420 surge protective device for point-of -use ...
The new VALVETRAB MS Type 1+2 combined lightning current and surge arresters have a 3+V circuit. ...
A truly smart home does more than just connect you; it works for you. With iDevices' advanced smart ...
Previously available from one of the world’s largest line pulling companies, the PLCS is now ...
Fluke has revamped its entire line of industrial thermal cameras with more premium features packed ...
Emerson has improved AMS Machinery Manager predictive maintenance and analysis software ...
AEMC’s ten New Simple Logger® Data Loggers are small one channel recording devices ...
ASCO Power Technologies, a provider of critical power solutions, releases the third generation of ...

 

Banner VE Smart CameraFeatures included in the latest version of Vision Manager software simplify the integration of VE Series smart cameras into vision guided robotic (VGR) systems and make it easy to correct distortions caused by camera perspective. Also new to the software is the ability to view application images remotely via a built-in webserver. Vision Manager version 1.7.0 is available now for free download.

EASY INTEGRATION WITH VISION GUIDED ROBOTS

All the logic required to integrate a VE Series smart camera into a VGR system is in the software. 

Read More

 

 

Copper $US Dollar price per pound

Kerrwil Publications

538 Elizabeth Street, Midland,Ontario, Canada L4R2A3 +1 705 527 7666
©2019 All rights reserved

Use of this Site constitutes acceptance of our Privacy Policy (effective 1.1.2016)
The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Kerrwil