Page Contents:

Article Listings by Issue
Back Issue Ordering and Pricing Information

Volume 1 Number 1

Bulletin Board—NESC v. NEC, The NESC Committee
Electric Supply Station Perimeter Fencing
Clearance from Down Guys to Service Drops on Light Angles
Reader’s Rack—Direct-Burial Depth of Communication Cables, Clearance Between Communication Cables
The Safety Zone
Major NESC 1987 Changes
Documenting Internal Standards Development
Service Drop Conductor Clearance from the Pole
Metal Fence Requirements

 


Volume 2 Number 1

Summary of Changes to the NESC-1990 Edition
Bonding Guys and Messengers on the Same Structure
Random-Lay Supply Cable Grounding Options
Fiber Optic Cables
Grain Bin Clearances
Recent Activities
Reader’s Rack—Step and Touch Potentials, Missing Code Sections, NESC Printing Errors, “Covered” vs. “Insulated”

 


Volume 2 Number 2

1990 Clearance Changes, Part 1
Reader’s Rack—Above Ground Gas Tank, Gas Pumps, Vents of Underground Tanks
Reader’s Rack—Clearance Reductions, Clearance to Gas Meters, Driveway Clearances, Midspan Triplex-to-Com Cable Clearance, Riser Clearance on a Joint Use Pole, Rule 232-A-1, Rule 235C2b(3), Exception, Supply Crossing Clearances—Table 233-1, Telco Drop Wire, Gas Meters and Electrical Meters
Bulletin Board—Rule 235: Wires, Conductors, or Cables Carried on the Same; Tentative Interim Amendment to the NESC, Rules 236, 237, and 238: Climbing Space and Working Space, Rule 239: Vertical and Lateral Facilities, Rule 234: Clearances to Buildings Bridges and Other Installations, Rule 233: Clearance of Wires, Conductors and Cables Carried on Different Supporting Structures, Rule 232: Clearances Above Ground, Roadway, Rail or Water Surfaces

 


Volume 2 Number 3

1990 Clearance Changes, Part 2
Reader’s Rack—Schedule 40 “U” Guard
Strength and Loadings
Seminar Information
Investigating and Defending Utility Contact Accidents
Grounding Update
Disturbing News

 


Volume 2 Number 4

Horizontal Displacement of Conductors
  Deflection of Conductors and Cables Under Loading
  Calculating Forces on Conductors and Cable Messengers
  Horizontal Displacement Under Wind Loading
  Rules of Thumb for Estimating Horizontal Displacement of Conductors by Wind
  Horizontal Displacement of Suspension Insulator Strings
  Installation Problems: The Wrong Tension Can Cause Serious Clearance Problems
  Horizontal Displacement of Conductors and Cables Under Extreme Wind Loading
  Slack Spans

 


Volume 3 Number 1

1993 NESC Changes
Model Commission Rule for State Statute Adopting the NESC
Software Update—Alcoa SAG-10 Version 5.0
Cable Installations/NESC Requirements
Clearance Along Rural Road
Curb & Gutter-Required Clearance
Minimum Required Clearance for Cable TV/Parking Lot
Prior to 1990-Cable TV Clearance Table 232-1, Item 10
Reader’s Rack— How High Should the Installation be to Ensure Clearance Won't Go Below NESC

 


Volume 3 Number 2

Meeting the ANSI Z535 Sign Standards for Utility Installations (Special Color Insert)
Significant Changes in Work Rules
CATV Cable Clearance
Curbs and Gutters
Distance Between Neutral & Communication
Footnote Revisions
NESC v. Company Standards

 


Volume 3 Number 3

Safety Standards for Street Lights & Area Lights: NESC or NEC?
Inspections and Tests of Overhead Power & Communication Structures and Supported Facilities
Area Lighting Code Requirements
Reader’s Rack—Substation Power Transformer Grounding, Administrative Authority, Climbing Space for Infrequent Climbing, Service Drop Clearance

 


Volume 3 Number 4

Time Schedule for Revisions
Major Changes in Work Rules
OSHA Interim Rule on Confined Spaces
Changes in HUD Inspection Requirements
Sparkover Voltages
SCADA & Tagging
Reader’s Rack—Guy Marker v. Guy Guard, Authorized Person v. Qualified Person, Laying Cable on Earth During Emergency
Bulletin Board—Communication Work Rules, Errata Sheets, NESC Cable Marking Deadline Moved to 1996

 


Volume 4 Number 1

Breakaway Utility Structures—Part 1
New OSHA Maintenance Requirements
FAA Bulletin Board
NESC TIA on Approach Distances
Pole Design
How Time Flies When You’re Having Fun

 


Volume 4 Number 2

Breakaway Utility Structures—Part 2
Bulletin Board—Utility Installed Site and Security Lights and the NEC
Reader’s Rack—Cranes Near Power Lines, Maximum Conductor Temperature, Using Barrier Cables in Sailing Areas

 


Volume 4 Number 3

1997 NESC Change Proposals
Bulletin Board—Increased OSHA fines, new Sag10 for Windows
Reader’s Rack—Falling Towers, Overheight Vehicle, Pole Upgrade

 


Volume 4 Number 4

The Safety Effects of Municipal Line Clearance and Tree Removal Standards
Bulletin Board—OSHA Maintenance Standard Update, OSHA Construction Inspections
Reader’s Rack—Clearances Between Conductors Above 50 kV, Padmounted Transformer Clearance to Buildings, Safety Factors Built Into NESC Clearances, Sealed Batteries

 


Volume 5 Number 1

Featuring Readers Questions
Bulletin Board—NESC, ANSI Z535 Sign Standards, New IEC Technical Committee (TC) 99
Where Guy Markers are Required
Requirement for Conduit Systems vs. Direct Buried Systems
Additional Communication Cables on Joint-Use Poles
Customer Service Mast on Joint-Use Poles with Electric Utility Supply Circuits

 


Volume 5 Number 2

Bulletin Board—NESC, ANSI Z535
Wind Loads on Ice-Covered Conductors & Cables
OSHA and NESC Requirements
NESC Rule 218 on Tree Trimming
Section of an Energized Electrical Utility Substation Wind Loads on Ice-Covered Conductors & Cables
Reader’s Rack—Actual Size of Grounding Rods, Bonding Different Neutral Together, Ground Bus Location

 


Volume 5 Number 3

Bulletin Board—Area Lights and the NEC
Analysis of Utility Earth Electrodes
Reusing Equipment in a Station Not Designed For It
Reader’s Rack—Appropriate Code Edition, Chargers and Inverters in Battery Areas, Chemical Ground Rods, Clearance from Pole to Telephone Pedestal, Distribution Line Crossing Over Transmission Line, Ground Rod in Trench Installing Triplex, Sag Change in a Slack Span, Upside Down Ground Rods

 


Volume 5 Number 4

Summary of Major 1997 NESC Changes
Improving Earth Grounding Electrode Effectiveness
Bulletin Board—1997 ANSI Z535 Sign Standards, 1997 NESC Codebook and Handbook, NESC Ballot Copy and Handbook, Tentative Interim Amendment to NESC Rules 224B
Reader’s Rack—Anchor Ground Resistance, Anchor Guy Grounding Connection, Fiber-Optic Supply Cable Clearance, Keeping Records of Inspections

 


Volume 6 Number 1

Methods of Calculating Rights-of-Way Widths For Overhead Electric Power Lines
Bulletin Board—Electronic NESC, Abstracts of IEEE Standards, ANSI Z535 Safety Sign Standards
Potential Problems with New Exception to Rule 235C2b(1)
Calculating Widths of Rights of Way
Joint-Use Pole Lines
Potential Code Problem
Reader’s Rack—Definition of Effectively Grounded, Demise of Standards Department, Guy Bonding

 


Volume 6 Number 2

Selecting Apparel to Protect Against Exposure to Electric Arcs
Bulletin Board—NESC Errata, TIAs, and Electronic Edition
Bonding Grounding Conductors Building Electrical Wiring and Lightning Rod Systems
Reader’s Rack—Bonding of CATV and Power Grounds at House

 


Volume 6 Number 3

Water in Underground Riser Pipes
Location of Padmounted Equipment Near Buildings
Effect of Communications Act on Grades of Construction for Joint-Use Poles
Bulletin Board—Ordering Revised ANSI Z535 Safety Sign Standards and NEMA Standards, NESC Strengths & Loadings Subcommittee Meetings and Body Belts and Locking Snaphooks
Reader’s Rack—Clearances to Railroad Crossing Gates, Flexible Conduits for Temporary Service, Lightning Protection for Steeple, Lines Along Railroads and Limited Access Highways, Number of Ground Connections in An Underground Loop, Phasing Out Overhead Service Drops to Houses

 


Volume 6 Number 4

Packet Radio Installation on Existing Transmission and Distribution Lines
Clearance Above Fuel Barrels and Tanks
Burial Depths for Communication Cables
Bulletin Board—NESC Change Proposal, New ASCE 7 Ice Data, Using 3-Second Gust Wind Speeds for ASCE 7-1997, Deflection of Structural Components, Changes in Overload Factors for Steel and Wood, Requested Changes in ANSI C29 Insulator Standards, Mobile Substations, ASCE/PCI Design Guidelines for Concrete Poles, ASCE Manual 91—Design of Guyed Electrical Transmission Structures, ASCE Manual 74—Guidelines for Electrical Transmission Line Structural Loading, ASCE Manual 72—Design of Steel Transmission Pole Structures
Reader’s Rack—Clearance of Underground Power Gas Tanks, Prohibition about Connecting Lighting Rods to Other Ground Systems

 


Volume 7 Number 1

Joint-Use Pole Space Requirements and Cost Allocation
Code Quiz—Worker Safety Zone

 


Volume 7 Number 2

Fences and Enclosures for Electric Supply Stations
Fences Around Microwave Towers
Reader’s Rack—Table 232-1, Category 10: Rural Roads Where Vehicles are Unlikely

 


Volume 7 Number 3

Mobile Substation Requirements
Code Quiz—Horizontal deflection of conductor toward a billboard
Bulletin Board: Nuclear Plant Owner’s Nightmare Caused by Transmission Line Clearances, 2002 NESC Preprint, 2001 ANSI Z535 Standards for Safety Signs and Labels
Reader’s Rack—Req’d Efficiency of Ground Electrodes for Isolated Secondary Neutrals, Code Edition Req’d for Tap Line off Existing Pole, Control Cable attached to Supply Neutral, Rule of Thumb for Frequency of Longitudinal Guying, Emergency Triplex Cable with Bare or Covered Neutral, Number of Grounds Req’d in Short Cable Runs, Emergency vs. Temporary, Insulated-Jacket Power Cable in a joint-use trench, and Plastic Conduit.

 


Volume 7 Number 4

Meeting Modern Supply Station Fence Clearances in Older Stations
Code Quiz—The Communication Worker Safety Zone
Qualification of Workers Installing or Maintaining Communication Circuits Located in the Supply Space
Hazardous Locations
Bulletin Board: NESC Changes and ANSI Z535 Sign Standards
Reader’s Rack—Burial Depth for Submarine Cable, Insulated-Jacket Power Cable in a Joint-Use Trench, Multiple Service Drops to One Building, and Grounding When Feeding a Second Building From a First

 


Volume 8 Number 1

2002 NESC Clearance & Spacing Between Comm. Conductors, Cables & Equip. in the Comm. Space
2002 Clearances to Comm. Antennas Located in the Supply Space
Using the New 3-Second Gust Wind Data
Bulletin Board—2002 NESC, ANSI Z535 Safety Sign and Label Standards
Reader’s Rack—Communication and Supply Cables on Oil Pipelines, Communication Clearances, Number of Grounds Required in Short Cable Runs

 


Volume 8 Number 2

Conductor Clearances When Rolling a Span from Horizontal to Vertical
Summary of Major 2002 NESC Changes
Effect of Voltage on Pole Requirements and System Costs
Safety Spacing on Substation Fences
Bulletin Board—ANSI Z535 Safety Sign and Label Standards, ArcWear.com, National Electrical Code, Using the 2002 NESC
Reader’s Rack—Grade of Construction for ADSS Fiver Optic Line in Remote Rural Area, Overload Capacity Factors for Guys

 


Volume 8 Number 3

NESC Interpretations
Decay in field-drilled holes in wood poles
Pole Inspections
2002 NESC Definition for Readily Climbable Structures
Field Inspection, Testing, and Retreatment of Wood Poles
Bulletin Board—2002 ANSI Z535 Safety Sign and Label Standards, Rubber-glove working method for 46 kV, 2002 ANSI O5.1 Standard for Wood Poles
Reader’s Rack—Substation Bus Spacing, Required Spacing of Control Rod Brackets for Distribution Line Air-Break Switches

 


Volume 8 Number 4

Bulletin Board—2002 ANSI Z535 Safety Sign and Label Standards, ASCE 7-2002, NESC Insulator Loadings, 2007 NESC Changes Proposals
Clothing for Arc Thermal Protection
Effect of New 2002 Extreme Wind Speeds on Wind Pressures Applied to Utility Structures and Supported Facilities
Reader’s Rack—Vertical Clearances Between 120/240 V Triplex and Communication Cable at a Service Span Lift Pole and at a Meter Pole, Bonding Guy Wires to Anchor Rods; Using Anchors as Ground Electrodes, Clearances for Conductors and Cables Passing Over the Tracks of People Movers

 


Volume 8 Number 4

Bulletin Board—2002 ANSI Z535 Safety Sign and Label Standards, ASCE 7-2002, NESC Insulator Loadings, 2007 NESC Changes Proposals
Clothing for Arc Thermal Protection
Effect of New 2002 Extreme Wind Speeds on Wind Pressures Applied to Utility Structures and Supported Facilities
Reader’s Rack—Vertical Clearances Between 120/240 V Triplex and Communication Cable at a Service Span Lift Pole and at a Meter Pole, Bonding Guy Wires to Anchor Rods; Using Anchors as Ground Electrodes, Clearances for Conductors and Cables Passing Over the Tracks of People Movers

 


Volume 9 Number 1

Bulletin Board—Interaction of gas pipelines and metal utility structures
2002 ANSI Z535 Sign Standards for Power and Communication
Reader's Rack—Measurements to metal insulator base collars and bushings in electric supply stations, Refueling excavation machinery with a tanker location under a transmission line, Pole deterioration due to animal contact, Padmounted equipment enclosures with openings due to missing penta-head bolts behind locks or rusted holes, Best type of rock in an electrical substation yard

 


Volume 9 Number 2

Bulletin Board— OSHA 1910.269 and 1926 Subpart V
Customer Controlled Open-Field Lighting and Security Lighting Systems
Holiday and Festival Banners, Flags, Decorative Lighting, and other Seasonal Decorations on Utility Poles

 


Volume 9 Number 3

Bulletin Board— 2007 NESC Change Proposal Comment Period, IEEE P1675 Standard for Broadband over Power Line Hardware
NESC Grandfather Clause
Storage and Other Activities in Substations
Readers Rack—Required Overload Capacity When Pole Replacement is Necessary, Messenger Tension Limits, Use of the Constant of Rule 251B3,When Computing Maximum Tension or Maximum Sag, CATV Power Supply Drip Loop, Clearance to Communication Cables, Floating Utility Poles as Temporary Repairs Poles

 


Volume 9 Number 4

Bulletin Board— 2007 National Electric Safety Code and Handbook
New Rule 250D for Freezing Rain and Concurrent Wind Loading
Selected Major Changes in requirements for Loadings, Strengths, and Methods of Calculation
Summary of Major 2007 NESC Changes
Ice on Conduits on Antenna Towers
Readers Rack— Application of Vertical Overload Factors to Weights of Pole and Equipment
Application of Extreme Wind Loading to Structures During and After Construction

 


Volume 10 Number 1

Bulletin Board— 2007 National Electric Safety Code
Revisiting NESC Definitions for Readily Climbable Structures
Supply Station Fence Clearances to Property Line and Energized Parts
Readers Rack— Roadway lighting code: NEC or NESC, Pole clearance to building, Placement of electric meter, Single-point grounding for 13.8kV transformer, Pole truss grounding, Using Copperweld for pole ground

 


Volume 10 Number 2

Bulletin Board— 2007 National Electric Safety Code
Vegetation Management for Overhead Utility Lines: Part I – NESC Requirements and Practical Considerations
Nuisance Trips From Birds on Wires
Readers Rack— Drug screens for drives in pole-hit accidents; Bonding barbed wire on substation fence; Mounting height of safety signs; Symptoms of loose power neutral; Height of guy markers

 


 

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