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Electronic Ballasts

February Tech Tip: Understanding Electronic Ballasts and LED Drivers and Their Impact on Photo Controls

2/9/2017

What are Electronic Ballasts?

Ballasts limit the amount of current from supply line voltage, while maintaining the necessary electrical conditions for proper lamp start and operation. Ballasts vary in design complexity. Older, simplistic magnetic models minimally include inductors, capacitors and a series resistor. Modern electronic ballasts employ solid-state circuitry, which successfully eliminates the stroboscopic effect of flicker in fluorescent lighting, while increasing ballast efficiency.

Electronic ballasts, or drivers, are used to drive various lighting loads, including light emitting diodes (LED), fluorescent (Linear and CFL), induction fluorescent (IF), and high-intensity discharge (HID) lamps. These designs have different electrical start-up characteristics that ...

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Featured Stories

Indentured servant

Your Moment of Apprenticeship ZEN

2/7/2017

A little history is fun.

To this end- history and fun- I am going to parse out a few historical facts and reminders about apprenticeship ...

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Sprint's February Offer

Click to download full PDF

Sprint's February Offer

2/5/2017

Switch to Sprint and get unlimited data, talk and text and get two lines for $85/month.

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Federated

Good Reasons to Have a Drug-and-Alcohol-Free Workplace Program

2/5/2017

In its simplest form, managed care describes a variety of techniques that, when properly deployed, can help support an effective risk management program. These strategies ...

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Archive

Distracted Driving

Distracted Driving Continues to be Much More than Just "A Problem"

11/28/2015

Not only is distracted driving still a serious problem, it is an epidemic. With each ...

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Medical Marijuana

What is the Difference Between Recreational Marijuana and Medical Marijuana?

11/28/2015

Most people don’t realize they are usually two different strains.  As more and more ...

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IEC Con 2015

IEC National Conference Seminar Presentation Documents

11/28/2015

At the National IEC's Convention that took place last month, there were various mini ...

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Sprint Offer to IEC

Sprint Discount Program Means Contractors & Apprentices Save 18%!

11/28/2015

Save 18% with Sprint and Ring in the Holiday Savings! 

Click Here to Download Full ...

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3M Portable Labeler

Upgrade to an Easy-to-use 3M™ Portable Labeler – Free!

11/28/2015

Now, for a limited time, the 3M Portable Labeler is available free with purchase. That ...

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Reflections and Reboots

Reflections and Reboots

11/17/2015

It’s nearly December. I don’t know why it’s always a shock to ...

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Women in Trades

11/10/2015

"My supervisor called me the Triple Threat. I was early, hungry, and capable. He saw ...

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IEC Chesapeake Apprentices Recognized

Kelly M. Schulz Honors Exceptional Vets Who Entered the Workforce Through Apprenticeships

11/6/2015

This event was part of National Apprenticeship Week celebrations.

This event held by the Sec ...

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MD Logo

Hogan Administration Celebrates Apprenticeship Week

11/4/2015

(November 2, 2015) – Governor Larry Hogan today issued a proclamation announcing the week of November ...

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Stay Safe Hat

IEC Chesapeake Annual Excellence in Safety Award 2015

11/3/2015

IEC Chesapeake encourages all of our members regardless of size to participate in the Excellence ...

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Federated Employment Practices Network

Preparing Documentation for a Termination

11/3/2015

Question: 

One of my staff went almost 7 whole days without clocking in or out ...

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Drug Testing Urine Sample

What do Companies Know about Random Drug Tests?

11/3/2015

According to an interview at a crane company, 5% of tests returned positive results in ...

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