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Topic: T8 lamp failure rate

User: Barndog, Location: Spring Creek Pa

Asked on: Sunday, April 17, 2011 at 5:30 pm EDT
Answered on: Tuesday, May 14, 2024 at 4:17 am EDT

Question: does anyone know the failure rate for T8 lamps. We are doing a large fixture replacement where i work and it seem to me we are having alot of bad lamps.

Reported Failure Rates for T8 Lamps



Industry average

1-2% per 1000 burning hours (BPH)


Average lifespan

10,000-12,000 BPH

Factors Influencing Failure Rates



Quality of the lamp

Lower-quality lamps tend to have higher failure rates.


Operating conditions

Temperature, humidity, and electrical conditions can impact lamp life.

Installation practices

Proper installation and maintenance can reduce failure rates.


Usage patterns

Frequent on/off cycling or operating at high voltage can shorten lamp life.

Specific to Your Situation

It is important to consider the following when assessing your failure rate:

Quantity of T8 lamps installed

A large number of lamps may increase the likelihood of encountering some failures.


Brand and quality of lamps

Consider the reputation of the lamp manufacturer and the quality of the lamps you are using.

Operating environment

Check the temperature, humidity, and electrical conditions in the fixtures where the lamps are installed.


Installation practices

Ensure that the lamps are properly installed and that there are no loose connections or other potential issues.

Usage patterns

Monitor how often the lamps are turned on and off, and at what voltage they are operating.

Recommendations



Use high-quality lamps

Invest in T8 lamps from reputable manufacturers.

Optimize operating conditions

Ensure proper temperature, humidity, and electrical conditions.


Follow proper installation practices

Train technicians to install lamps correctly.

Monitor usage patterns

Track on/off cycles and operating voltage to identify potential issues.


Consider preventative maintenance:
Regularly inspect and replace old or failing lamps to reduce the risk of sudden failures.By addressing these factors, you can improve the reliability of your T8 lamps and reduce the failure rate. Flag for review

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