mains related issues & queries in ElectronicsXchanger

How do you properly install backup power delivery?

power mains wiring bad-wiring
Updated May 25, 2019 23:25 PM

What is the difference between 3 and 4 Pin IEC320 C14 Power Sockets?

switches ac connector mains
Updated May 25, 2019 10:25 AM

RMS power and phase angle control

measurement mains rms industrial
Updated May 22, 2019 16:25 PM

How to protect against line transients?

mains circuit-protection surge-protection tvs over-voltage-protection
Updated May 21, 2019 16:25 PM

How to obtain 360vdc from 240vac for audio use without a transformer?

power-supply dc mains vacuum-tube transformerless
Updated May 14, 2019 18:25 PM

Understanding flyback transformer datasheet

power-supply mains flyback
Updated May 10, 2019 14:25 PM

How can I test which mains wire belongs to neutral and which to ground?

ac ground mains grounding
Updated May 09, 2019 12:25 PM

branch current magnitude vs branch apparent power

mains power-engineering power-grid
Updated May 08, 2019 05:25 AM

Clearance distance and resin filler

ac mains safety clearance creepage
Updated May 07, 2019 03:25 AM

Earth line safety

ground mains safety grounding earthing
Updated May 03, 2019 13:25 PM

Can we make the illumination on a bulb higher than the other when two are in series

mains
Updated April 20, 2019 07:25 AM

Is there a colour standard for mains 'signal' wiring?

mains wiring compliance colour-coding chassis
Updated April 18, 2019 12:25 PM

Measuring 0-600v 50-60hz Mains AC with Arduino

arduino pcb-design adc mains esp8266
Updated April 16, 2019 00:25 AM

Switch between 2 power supply feeds without device losing power

power-supply switches mains
Updated April 15, 2019 00:25 AM

Choosing inrush current limiting resistor for a mains rectifier

resistors mains rectifier inrush-current
Updated April 13, 2019 20:25 PM

Topology choice for wide-output-voltage-range SMPS

switch-mode-power-supply mains current-source flyback
Updated April 04, 2019 01:25 AM

What killed these X2 caps?

capacitor mains x-capacitor
Updated April 03, 2019 19:25 PM

My air-con sparks, but only sometimes, even with a new cable. Where to look for the problem?

mains spark
Updated April 02, 2019 17:25 PM

Use of the same transformer with a replacement offline SMPS controller?

power-supply switch-mode-power-supply mains
Updated April 02, 2019 10:25 AM

Design steps for a choke inductor

filter inductor mains choke
Updated March 31, 2019 23:25 PM

AC mains rectifier issue

power-supply ac power-electronics mains bridge-rectifier
Updated March 29, 2019 18:25 PM

AC "chopping" power supply inrush current problem

switch-mode-power-supply mains ac-dc inrush-current
Updated March 25, 2019 20:25 PM

Fuse symbol on toroidal transformer

transformer power-electronics mains
Updated March 24, 2019 16:25 PM

Is there a power socket selector/switcher (where only one of multiple devices attached is selected to get the power)

switches mains multiplexer switching
Updated March 22, 2019 13:25 PM

How can I match phase voltage between a transformer primary and secondary?

operational-amplifier transformer adc mains phase-shift
Updated March 20, 2019 00:25 AM

Isolating main power traces on backside of the PCB

pcb mains isolation clearance
Updated March 18, 2019 12:25 PM

Why is there a voltage between the mains ground and my radiator?

mains grounding antistatic
Updated March 12, 2019 09:25 AM

high voltage buck converter

buck mains
Updated March 07, 2019 20:25 PM

Standard Powered Female DC Connector

dc connector mains wall-wart
Updated March 05, 2019 04:25 AM

Replacing A Ceramic Hob With An Induction Hob

mains electrical appliances
Updated March 01, 2019 22:25 PM

zero-crossing detection: to optocouple or not to optocouple?

mains opto-isolator zero-crossing
Updated February 27, 2019 12:25 PM

Is UL approval only required for the power supply?

mains ul compliance
Updated February 26, 2019 10:25 AM

Convert kW generated per minute to kWh

power mains power-engineering transmission distribution-network
Updated February 25, 2019 06:25 AM

How to detect a partial discharge in a noisy signal?

filter signal mains signal-processing partial-discharge
Updated February 19, 2019 02:25 AM

Circuit for Neutral point of 3-Phase mains

power-electronics mains three-phase motor-controller neutral
Updated February 18, 2019 01:25 AM

Detecting mains power change: One signal when on, another signal when off

power mains trigger
Updated February 17, 2019 11:25 AM

Transformers and high voltage elements

transformer ac mains
Updated February 15, 2019 17:25 PM

Can I simply add a 240V Neutral to SONOFF TH10 when replacing wall thermostat

mains safety wiring heat thermostat
Updated February 15, 2019 09:25 AM

24v DC to 120v AC relay with current sensing? (re: Arduino, etc)

arduino microcontroller relay mains 24v
Updated February 13, 2019 21:25 PM

Can I use a 28VDC 10A relay to toggle a 10kVDC .03A source?

power relay mains
Updated February 12, 2019 21:25 PM

Is a safe 110/120VAC benchtop power tap possible?

power-supply ac mains
Updated February 05, 2019 20:25 PM

Mains AC overvoltage protection using a TRIAC

mains protection triac
Updated February 05, 2019 13:25 PM

Railway overhead lines: What happens to other two phases in sincle phase railway power?

power-supply ac mains
Updated February 02, 2019 19:25 PM

Using 120 VAC 60 Hz battery charger with 50 Hz AC

transformer frequency mains
Updated January 31, 2019 20:25 PM

Is isolation between user accessible circuits and protective earth necessary for safety?

pcb-design mains safety isolation
Updated January 30, 2019 18:25 PM

Ability of a 100km power transmission line to radiate 50Hz EM waves?

power antenna mains emc radiation
Updated January 30, 2019 05:25 AM

Not sure about max. switching power of relay in following datasheet. Please help

power current relay mains high-voltage
Updated January 28, 2019 08:25 AM

Home Automation - Mains Power Switch (Contactor, Relay or etc.) Any way of controlling mains power in the house remotely?

power mains home-automation modbus contactor
Updated January 25, 2019 13:25 PM

tilt switch to activate power socket

power switches mains
Updated January 24, 2019 13:25 PM

Switching 240VAC 1A max from 5VDC

relay components mains switching
Updated January 23, 2019 16:25 PM

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