at fault

Related to at fault: electrical fault

at fault

Responsible for a problem, mistake, or other incident. The other driver was definitely at fault—I was just sitting at a red light when he rear-ended me! I know I was at fault, so I will apologize to Sara today.
See also: fault
Farlex Dictionary of Idioms.

at fault

to blame [for something]; serving as the cause of something bad. I was not at fault in the accident. You cannot blame me.
See also: fault
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

at fault

Responsible for a mistake, trouble, or failure; deserving blame. For example, At least three cars were involved in the accident, so it was hard to determine which driver was at fault , or He kept missing the target and wondered if the sight on his new rifle was at fault. In Britain this usage was formerly considered incorrect but is now acceptable; in America it has been widespread since the mid-1800s. Also see in the wrong.
See also: fault
The American Heritage® Dictionary of Idioms by Christine Ammer.

at ˈfault

responsible for doing wrong, making a mistake, etc.; to be blamed: The inquiry will decide who was at fault over the loss of the funds. I don’t feel that I am at fault. After all, I didn’t know I was breaking a rule.
See also: fault
Farlex Partner Idioms Dictionary

at fault

1. Deserving of blame; guilty: admitted to being at fault.
2. Confused and puzzled.
See also: fault
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • fault
  • rear
  • at the rear of
  • be bringing up the rear
  • beam in (one's) eye
  • a beam in your eye
  • bring up the rear
  • an axe hanging over something
  • ax
  • axe
References in periodicals archive
Caption: Figure 4: SCF current at fault location X when the SCF occurs at fault location X with 40 [ohm] fault resistance on the wind/PV GCS.
Caption: Figure 5: SCF currents without Peterson coil at fault location X when the SCF occurs on the wind/PV GCS.
Caption: Figure 8: Faulted phase current with Peterson coil of 58.6 H at fault location X with the SLG fault on the wind/PV GCS.
Effect of Neutral Grounding Protection Methods for Compensated Wind/PV Grid-Connected Hybrid Power Systems
Further more, dependency of neutral point voltage on the value of fault impedance at fault location has been presented.
Neural voltage and current dependency on fault impedance value in medium voltage networks
In contrast, under no-fault, an accident victim does not need to prove that anyone was at fault before he gets his money.
And what about the broad gray area in which most traffic accidents occur--cases where both drivers are at fault? Maybe one fellow was speeding because he was a little anxious about being late for an important business meeting.
Whatever happened to no-fault?
"It's hard to turn the results from Parkfield into a general method for looking at faults," he says.
Tiny earthquakes hint at larger shocks