doopinglouie@feddit.org to Technology@lemmy.worldEnglish · 2 days agoWhy Balcony Solar Panels Haven’t Taken Off in the USwww.wired.comexternal-linkmessage-square93fedilinkarrow-up1196arrow-down16cross-posted to: [email protected]
arrow-up1190arrow-down1external-linkWhy Balcony Solar Panels Haven’t Taken Off in the USwww.wired.comdoopinglouie@feddit.org to Technology@lemmy.worldEnglish · 2 days agomessage-square93fedilinkcross-posted to: [email protected]
minus-squarechronicledmonocle@lemmy.worldlinkfedilinkEnglisharrow-up2arrow-down1·13 hours agoLower voltage is less deadly. Having a multi grounded approach provides multiple layers of safety for shorts. Just to name a few.
minus-squarevxx@lemmy.worldlinkfedilinkEnglisharrow-up1arrow-down1·edit-212 hours agoIf Voltage of AC is above 50V, it will break your skin and then the current and time kills you. https://www.electricaltechnology.org/2020/02/killer-current-voltage.html Multiple grounds? There’s only one ground. You’re walking on it. 120V/240V, Split-Phase – Center-tapped 120V AC – 1-Φ = Any One Hot (L1 or L2) + Neutral Wire + Ground Wire 120V/208V, 3-Phase – Wye 120V – 1-Φ = One Hot + One Neutral and Ground wire. 120V / 208V & 240V, High Leg – Delta 120V – 1-Φ = One Hot + One Neutral and Ground wire. https://www.electricaltechnology.org/2023/03/standard-voltage-levels-in-us.html
minus-squarechronicledmonocle@lemmy.worldlinkfedilinkEnglisharrow-up1·6 hours agoNeutral and Ground are bonded at the first point of disconnect, which provides two paths to ground in the event a ground is lost was my point. Not that there are somehow “two Earth’s”.
Lower voltage is less deadly.
Having a multi grounded approach provides multiple layers of safety for shorts.
Just to name a few.
If Voltage of AC is above 50V, it will break your skin and then the current and time kills you.
https://www.electricaltechnology.org/2020/02/killer-current-voltage.html
Multiple grounds? There’s only one ground. You’re walking on it.
120V/240V, Split-Phase – Center-tapped
120V/208V, 3-Phase – Wye
120V / 208V & 240V, High Leg – Delta
https://www.electricaltechnology.org/2023/03/standard-voltage-levels-in-us.html
Neutral and Ground are bonded at the first point of disconnect, which provides two paths to ground in the event a ground is lost was my point. Not that there are somehow “two Earth’s”.