Ask Ed: What's the deal with lithium-ion batteries for UPSs?
2:12
This power-related Q&A series continues with a question about lithium-ion battery technology for uninterruptible power supplies. Ed Spears dives into what's new with lithium-ion batteries, safety concerns and some unique power backup benefits.
This power-related Q&A series continues with a question about lithium-ion battery technology for uninterruptible power supplies. Ed Spears dives into what's new with lithium-ion batteries, safety concerns and some unique power backup benefits.
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62 - Do I need to specify a 200% neutral on my panelboard and transformer if I have a lot of harmonics?
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Do I need to specify a 200% neutral on my panelboard and transformer if I have a lot of harmonics?
