12v relay latching until no power
140985
Relay(or Alternative of relay) without pull-back feature
74135
NPN circuit to switch 12v 1A DC load by 3.3v 1A DC using PIR
115754
Capacitor discharging through no load?
53916
Is Switching the Neutral OK?
48848
Relay: higher voltage allowed at lower current?
3095
Why is half of my house without power with no flipped breakers?
26507
Can a device be damaged by water even if there is no power supplied?
156077
how to switch to backup battery when power fail?
1642
Light won't switch off after blowing fuse
87842
Why am I getting 50V at a light when the switch is off?
115150
Turning water pump on/off using Arduino Uno R3
108443
BJT as a switch: what am I doing wrong?
136436
Designing 12v DC UPS
19642
How to limit the current of a short circuit
6097
specifying a non-momentary switch?
113652
Calculate capacitor to hold up current limited supply
10230
Smart switch wiring with no neutral