To ensure the safest and most reliable transfer switch equipment is purchased, the UL 1008 requirement should be included into project specifications. Whoever is responsible for the transfer switch selection process should be aware of criteria that helps classify each UL Listing. Why UL Listing Matters? In order to minimize the chances of backup power…
Read moreHave no fear, ESL is here! ESL’s TripleSwitch is 2017 NEC 700.3 (F) compliant when used in conjunction with an ATS. According to 2017 NEC provision 700.3(F), legally required systems must be able to connect a temporary source of power for emergency systems which rely on a single alternate source of power which will be disabled for maintenance…
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September is National Preparedness Month. Is your business ready in the event of an emergency? We can mitigate risk, both to our lives and our property, by being proactive and planning ahead for a disaster. As a business owner, being prepared means having an effective emergency backup system. An important step in implementing this system is…
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Load bank testing is necessary for facilities such as water wastewater plants, data centers, high rise buildings, and nursing care centers. According to NEC Article 708 and NFPA 110, automatic transfer switches are required to be regularly tested. These regulations are in place to ensure that when utility power goes down, the backup equipment will…
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The reliability of power over the past 15 years has been strained by increased demand by growing populations, aging infrastructure and more frequent occurrences of extreme weather. As seen in bar graph [a] on the right, the number of weather-related power outages has doubled every five years since 2000. Although the timing of when these…
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