Protective Relaying

James R. White Columns, Tech Quiz, Winter 2020 Columns

This edition of Tech Quiz covers protective relays. Many years ago, as I was teaching a protective relay class, a student asked, “What are these things?” I replied, “Relays,” to which he answered, “No, relays are those little black plastic things that go click-click.” I made sure to call them protective relays from then on. Things in the protective relaying …

Cable Testing

James R. White Columns, Fall 2020 Columns, Tech Quiz

Cable testing is one of the oldest forms of testing in the industry. At first, cables were tested using DC voltages, but this was found to damage newer cable types, so additional cable testing methods were developed. This issue’s Tech Quiz takes a look at cable testing. 1. During the early years of cable testing, which two primary types of …

ASTM F18 Committee Report

James R. White Fall 2020 Specifications & Standards, Specifications & Standards

The semi-annual ASTM-F18 Committee Meeting on May 28, 2020, was hosted on the WebEx app. This takes the place of the April meeting that was scheduled in Boston and cancelled due to the COVID-19 crisis. There were 74 participants. F1506 Antitrust laws were read first. The first and only subject was F1506 arc-rated face masks, which are similar to a …

Safety First, Last, and Always

James R. White Columns, Summer 2020 Columns, Tech Quiz

Everyone says they want to be safe, but when you get right down to it, some are more serious — or possibly they understand the consequences of incorrect decisions more accurately — than others. Whoever performed the repair in this photo did not have a clue what they were doing or the possible consequences of such shoddy work. Thankfully, we …

Troubleshooting

James R. White Columns, Spring 2020 Columns, Tech Quiz

This issue of NETA World covers troubleshooting. A big part of that is being able to interpret a schematic, and some of the most difficult are those for circuit breakers (unless you work in the circuit breaker shop, I suppose). Give these questions a try. Here’s a big call-out to retired Instructor Craig Nelson, who got tired of my hand …

Communications

James R. White Columns, Tech Quiz, Winter 2019 Columns

This edition of the NETA World is on communications — a very broad, but necessary subject. This Tech Quiz looks at three types of communication: digital substations, three-way communication, and hand signals for heavy lifting and cranes. Every NETA technician should have knowledge of these. 1. Digital substations are based on which IEC standard? IEC 61800 IEC 47855 IEC 60947 …

ASTM F18 Committee Report

James R. White Fall 2019 Specifications & Standards, Specifications & Standards

The ASTM F18 committee meeting was held in Denver, Colorado, on April 1–5, 2019. Committee meetings are held annually in April and October. Wearing Apparel The F1506 Wearing Apparel Task Group did the main work in this session. This actually became several sessions, as F1506 was divided into smaller pieces so it could be handled more easily. The task group …

Emerging Technologies

James R. White Columns, Fall 2019 Columns, Tech Quiz

Wikipedia defines emerging technologies: “Emerging technologies are technologies that are perceived as capable of changing the status quo. These technologies are generally new but include older technologies that are still controversial and relatively undeveloped in potential.” In this issue, we look at some emerging technologies that are in use now or might be in the future. This Tech Quiz is …

Using NFPA 70E to Stay Alive

James R. White Columns, Summer 2019 Columns, Tech Quiz

This month’s Tech Quiz takes a bit different look at NFPA 70E requirements. What is involved in electrical testing? As with most things, it’s not as simple as it may seem. 1. If you are a crew leader, what is the first thing you would do to test a transformer? a. De-energize it b. Isolate it by lockout/tagout (LOTO) c. …