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NEC emergency lighting requirements
NEC emergency lighting requirements Jun. 11, 2024

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How Long Do Ni-Cd Battery Packs Last?
How Long Do Ni-Cd Battery Packs Last? Jun. 06, 2024

​The average lifespan of a Ni-Cd battery pack typically ranges from 3 to 5 years. However, this can vary significantly based on usage patterns, charging practices, and environmental conditions.

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How Do I Know if My Exit Sign Battery Is Bad?
How Do I Know if My Exit Sign Battery Is Bad? Jun. 01, 2024

​Most emergency lights or exit signs have a small "push to test" button somewhere on the casing. You can push and hold this button for thirty seconds to test the bulbs and battery. This works ok if you have a small number of devices that can be easily reached.

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When Should a Battery Pack for an Emergency Lighting Fixture Be Replaced?
When Should a Battery Pack for an Emergency Lighting Fixture Be Replaced? May. 21, 2024

​Central to the operation of these fixtures is the emergency battery pack, which stores the energy needed to power the lights when the primary power source fails. Knowing when to replace these battery packs is crucial to maintaining the reliability of emergency lighting systems.

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What Types of Battery Are Used in Emergency Lighting?
What Types of Battery Are Used in Emergency Lighting? May. 16, 2024

​Lithium: There are many types of lithium battery and they are becoming more widely used for emergency lighting. They have many advantages over lead acid, NiCd and NiMH so their use is increasing rapidly.

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What is Prismatic Rechargeable Lifepo4 Lithium Battery Cell?
What is Prismatic Rechargeable Lifepo4 Lithium Battery Cell? Apr. 15, 2024

​When compared to cylindrical LiFePO4 cells, prismatic LiFePO4 cells appear to be more advantageous for general consumers. Prismatic LiFePO4 batteries boast higher energy density and exhibit superior resistance to both overcharging and over-discharging.

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Replacement of Batteries for Self-Contained Emergency Lighting
Replacement of Batteries for Self-Contained Emergency Lighting Apr. 10, 2024

​Replacing the battery becomes necessary when it can no longer meet its rated duration, ensuring ongoing system compliance. At this juncture, a decision must be made: replace just the battery or the entire emergency luminaire.

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