ANSI/NETA Standard for Acceptance Testing Specifications for Electrical Power . Specifications have been published in , , , , and Portage, Mich.-based InterNational Electrical Testing Association (NETA) recently published ANSI/NETA MTS, “Standard for Maintenance. PREFACE (continued). ANSI/NETA MTS Optional Tests. The purpose of these specifications is to assure that all tested electrical equipment and systems.

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I think you are basically correct. I believe you can view that at no cost at nfpa.

Ansi neta mts 2007 frequency of maintenance tests

It’s only as good as the technician on YOUR job. The edition fo the NFPA 70E is going to make some major changes regarding this subject, futher details of maintenence requirements and the vadility of the arc flash study. Also the will be seperate task tables with different HRC’s for properly maintained equipment. Perfect tool for validation of an arc flash study though. So if that happens, question 1 from the OSHA inspector is “What is the nature of your electrical safety program?

By joining you are opting in to receive e-mail. Most if not all of the electrical equipment and Molded Case CB’s have been in place for 25 years without even being exercised. I have been working on them.

Ansi neta mts frequency of maintenance tests

He may have to travel with said trailer for several hundred miles to my site in Armpit, Mississippi, for which I pay, and when he gets there, he’s pulling out the ONLY breaker feeding my station, so I’m off-line on an interstate pipeline, for a scheduled outage, all the while hoping that something doesn’t get broken by that remove-test-replace cycle.


When you add to that the electrical risk, where you know you’re going to have to work on live equipment and you’re going to see sizable electrical outages because by nature the breakers you’re interested in testing will be critical feeders, I see NFPA 70E as offering more hazards than it corrects.

I have to bring in a contractor with a test set that is towed in on a trailer. It is a very good tool, and I recommended it to several clients after I went back into power system field services.

Having dealt with this before, it is my experience that the simple act of removing a molded-case breaker for testing, then replacing it in its original location is a high-risk exposure in that many connections will not be restored properly. Defense manufacturing is all about project manufacturing and project accounting.

ANSI/NETA MTS REQUIRED? – Electric power & transmission & distribution – Eng-Tips

Can it be done? The units going over the road mts-207 times a year resulted in a huge number of failures, both nuisance trips and failure to trip. Ah, the prospects of retirement I’m looking at similar issues. Is this common industry practice to have an Arc Flash Survey performed without ever testing the equipment?

It did indeed point out some issues with transmission and distribution breakers. Without validating that arcing time also remains acceptable, I fail to see how the arc flash study can be validated. Anei-neta flash is concerned with the interruption time which includes the arcing time within ahsi-neta interrupter.

If on the other hand your response is “Well, we’ve never needed this before Some were pretty hard opposed to the idea, some greatly in favor, and from a long term standpoint I guess we’ll see as we only started doing this a year ago.


Download Now Defense manufacturing is all about project manufacturing and project accounting. I had tried a similar situation many years ago to address reliability problems with local generator breakers in rental equipment. It is administered and enforced by OSHA, who are frequently described as “toothless dogs” that are all bark and no bite, but here’s the catch. Having been in this business, that runs up a bill pretty fast.

Red Flag This Post Please let us know annsi-neta why this post is inappropriate. In my area several years ago one of the large insurers was very proactive about making sure their customers did the right thing, now days they wait until they get a claim, then one of the first things they ask is if you’ve done your recommended maintenance, no records, no claim.

It did not tell me the condition of system protection devices and their ability to sense and properly react to overcurrent conditions. Whoever does the arc-flash study should recommend maintenance testing of the protective mgs-2007 as part of their report. However, here is the issue with NETA tests, they require the breaker to be opened and removed from service to test trip times, which does not represent a real world condition. I have to agree with many of the points brought up by “old field guy”, I also worked for a NETA company for a few years, the supervising engineer was the reason I joined the company, ansi-nefa joy to work with, but when he left it wasn’t ansi-heta much anymore.

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