When Milliohms Matter – Temporary Protective Grounding

Posted by Jason Dettmar on Aug 13, 2018 11:02:00 AM

In the event of a fault current, milliohms can make the difference between a lineman going home for the day or being seriously injured or killed.  With fault currents in the tens of thousands of amps or more, the parallel path to the lineman needs a resistance so low that milliohms do make a difference. 

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Topics: Lineman Grade Tools

Protection from Hazardous Step and Touch Potentials

Posted by Billy Webber on Jul 18, 2018 3:48:20 PM

When overhead electrical line workers employ proper personal protective grounding practices they are usually protected from electrical hazards that might arise from working on de-energized lines and equipment. But, what about workers at ground level? How are they protected, and from what kinds of situations are they protecting? The answer is from hazardous differences in step and touch potentials.

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Topics: Lineman Grade Tools

Understanding Aqueous Dipping for Rubber Insulating Gloves

Posted by Joseph Cardona on Jun 5, 2018 11:12:00 AM

There are different methods to produce rubber insulating gloves. Hubbell Power Systems’ CHANCE® Lineman Grade™ gloves are produced using an environmentally responsible aqueous dipping process. 

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Topics: Lineman Grade Tools

6 Tips for Rubber Insulating Gloves

Posted by Joseph Cardona on May 30, 2018 11:40:00 AM

Rubber insulating gloves are a critical piece of Personal Protective Equipment (PPE) when working on energized power lines. They should be visually inspected every day before use and properly stored when not in use. Here are 6 tips for inspection of rubber insulating gloves. 

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Topics: Lineman Grade Tools

Fault Finding on Underground Cables

Posted by Marty Admire on May 15, 2018 2:47:00 PM

The CHANCE® DC hi-pot adapter has proven to be a very valuable tool for locating faulted cables in an underground loop. It is a simple, reliable tool that adds capability to the lineman’s existing CHANCE 5/16kV or 16kV phasing sets, allowing immediate cable testing during storms and new construction. The compact size and low cost, compared to other available diagnostic cable testers, allows for multiple trucks to do cable testing without long outages while waiting for more expensive and complicated equipment to arrive on the job site.

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Topics: Lineman Grade Tools

Care & Maintenance of Personal Protective Grounding Equipment

Posted by Jason Dettmar on Apr 10, 2018 11:16:00 AM

Recent updates to OSHA 1910.269(n) and 1926.962 have emphasized the responsibility of the employer to ensure their personal protective grounding equipment and practices are adequate to protect employees from hazardous differences in electrical potential. One important aspect that is often overlooked is the care and maintenance of the grounding equipment.

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Topics: Lineman Grade Tools

Pulling Elbows? There’s a Better Way

Posted by Rafael Stoutz on Mar 29, 2018 1:33:00 PM

You’ll probably never see anyone trying to use an elbow-puller tool for anything except what its name implies. However, you are likely to find many who attempt pulling elbows with other tools, most commonly a shotgun stick. 

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Topics: Lineman Grade Tools

Personnel Protective Grounding in Substations

Posted by Jason Dettmar on Feb 14, 2018 3:58:00 PM

“We have been searching for better ways to implement our policy for substation grounding almost since we adopted it. While the grounding equipment we’ve been using is the widely-accepted standard for this application, it has always had room for improvement in practice,” shared a utility.

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Topics: Lineman Grade Tools, Grounding

Take Care of Your Cover Up Equipment

Posted by Hubbell Power Systems on Nov 14, 2017 2:24:13 PM

Hot line maintenance appears to have begun in the early 1900’s with a few homemade tools. Tools and working methods improved vastly in the following decades. During that era, linemen realized the value of a protective shield to guard them and the equipment they were using from accidentally contacting an energized conductor. 

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Topics: Lineman Grade Tools

Tips of the Trade for Ratchet Hoists

Posted by Hubbell Power Systems on Oct 23, 2017 10:02:00 AM

For the hoist user, long-term dependable performance is easy to obtain by following simple work guidelines and exercising proper maintenance. Basic safety rules apply when using ratchet hoists.

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Topics: Lineman Grade Tools