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November 23, 2010 A Penton Media Publication Vol. VI No. 22

You and CMMS, Part 7

Electrical Troubleshooting Quiz

Some Repairs Matter More Than Others,
Part 4

NEC in the Facility


Code Change Conferences Are Coming


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This twice-a-month
e-newsletter is brought to you from the publisher of EC&M magazine.

MRO Insider addresses topics such as:

  • Working with management and supervision
  • National Electrical Code® on the production floor
  • Safety procedures and programs
  • Troubleshooting techniques
  • Equipment maintenance and testing tips
  • Managing motors and generators
  • Trends in training and education
  • Managing energy use

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    The designations "National Electrical Code" and "NEC" refer to the National Electrical Code®, which is a registered trademark of the National Fire Protection Association.



    You and CMMS, Part 7
    In the early days of CMMS, smart maintenance people exported data to a spreadsheet (typically, Lotus 123 or Borland Quattro Pro) to extract useful information. The sheer time consumption limited the amount of information extracted.
    With today's relational database CMMS products (typically SQL variants), you have advanced reporting abilities with one-click report generation. You can set up specific reports to show information that you slice and dice however you need, and you can add drilldowns.
    You can also quickly compare metrics. You could, for example, see the relationship of motor thrust bearing temperatures to lubrication intervals.

    Based on you. Built by Fluke.

    The scars and sweat of pros like you are the inspiration for every innovation put into Fluke tools. Nothing wasted. Nothing unnecessary. Just the perfect tool built to help you work faster, safer and smarter. In the real world.

    See the inspirations you’ve inspired

    Electrical Troubleshooting Quiz
    Line 2 has suddenly malfunctioned. Now a condensation removal system heater stays on full-time, even though there's no call for it this time of year. A small PLC stopped working, and none of the motors run.

    The responding tech decided to start with one of the motors and found its fuses were blown and its neutral wiring charred. Your boss asked you to fix this, and his parting words were, “I told them it sounded like lightning to me, but they say they have a surge protector and it is working.”

    Where should you begin in determining the cause?

    Visit EC&M's website to see the answer.

    Some Repairs Matter More Than Others,
    Part 4

    In our previous issue, we said that for your most critical equipment, you should make a list of the 10 most likely failure modes. And by “critical,” we mean “revenue-intensive,” as determined by the operations managers. So, what should you do with this list? Starting with the most critical piece of equipment and working your way down from there, do the following:

    • Provide a concise troubleshooting guide that will allow any tech to determine which of the 10 failure modes is the problem.
    • Provide all manuals, instructions, and drawings for affecting the repair. Put these items into a kit, and store it at the equipment in a durable box designated for that purpose.
    • Provide all test equipment and tools needed for repairing this specific equipment. Is this a needless expense? Answer that question by comparing the expenditure to the revenue loss incurred when a tech has to gather all of these things while the equipment is idle.
    There's more you need to do with this list, as you'll see in our next issue.

    New Surge-Trap® STX Series
    Mersen (formerly Ferraz Shawmut) introduces its new line of UL 1449 third edition approved surge protection devices (SPDs), the Surge-Trap Type 1 X-Series. The STX series provides overvoltage protection for all locations in the facility with the smallest footprints available. It features industry leading TPMOV technology inside.

    NEC in the Facility
    In our previous issue, we looked at the composition of the electrical board. We know this board determines who the AHJ is, but what else does it do? We can find the answer in Annex H, specifically 80.15(J).

    The board has five duties:

    1. Administer and enforce Art. 80 (which, per 80.1, means the entire NEC).
    2. Establish the qualifications for electrical inspectors.
    3. Revoke or suspend an electrical inspector's certification.
    4. Establish and amend electrical regulations.
    5. Establish procedures for recognition of electrical safety standards and equipment acceptance.
    To sum up the list, this electrical board sets the rules for electrical safety in its jurisdiction and has the final say on how those rules are interpreted and implemented.

    To read more on this story, visit EC&M's website.

    A key concept in OSHA's requirements for hazardous materials is that the employee has a “right to know.” This means your employer must provide you with information about hazardous materials you may work near or with. One way employers accomplish this is through “hazmat” (hazardous materials) training specific to a given job and which is often tailored to the specific hazardous materials that may be encountered. Notice we have used the word “may” twice now, rather than saying “probably will.”

    In your hazmat training, your employer should identify another way of informing you. That's through the use of container labels and material safety data sheets (MSDS). This is a self-serve method, meaning it's your responsibility to read those labels and MSDSs. Follow up accordingly, and ask your supervisor for help or clarification if needed.

    Crimp Terminals
    With over 1,000 types of terminals in stock, we know we have the wiring solution for you. makes it easy to shop online, compare prices and get your product fast! Click to view our huge selection of wire terminals in PVC, Nylon, High Temperature and Heat Shrinkable styles.

    Show & Events
    Code Change Conferences Are Coming
    The 2011 NEC is coming. Will you be ready for the changes? By attending one of EC&M's Code Change Conferences, presented by NEC expert Mike Holt and sponsored by EC&M University, you'll learn everything you need to know about major NEC changes that will impact your work, whether you're an electrician, electrical engineer, electrical designer, plant/facility electrical maintenance person, or electrical inspector. Check out the following conferences for a location and time that's right for you.
    • Boston December 7-8, Venue to be determined
    • Orlando December 13-14, Hyatt Regency Orlando Airport

    If you're a registered professional engineer and attend one of the 2011 NEC Code Change Conferences, you'll be granted professional development hours (PDHs), a requirement for re-licensing. The program is also certified as an approved provider of Code Update training by those states requiring continuing education hours for re-licensing of journeymen, master electricians, and electrical contractors.

    Register now to attend one of the these events. For more details on the conferences and a full program, visit EC&M's website.

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