EICR Observation Builder
Describe a fault and get the correct C1/C2/C3 code with BS 7671 regulation references
One defect per line (max 3). Be specific about location for better results.
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| Fault | Code | Regulation |
|---|---|---|
| Exposed live parts at accessory | C1 | 416.2.1 |
| Damaged socket outlet | C1 | 553.1.201 |
| Protective conductor missing | C2 | 411.4.2 |
| Main bonding conductor inadequate | C2 | 544.1.1 |
| Zs exceeds maximum permitted value | C2 | 411.4.4 |
| Incorrect polarity identified | C2 | 643.6 |
| Lack of RCD protection to socket circuits | C3 | 411.3.3 |
| Circuit identification not provided | C3 | 514.8.1 |
| Consumer unit enclosure non-compliant | C3 | 421.1.201 |
| Unable to gain access for testing | FI | 529.3 |
The TestFast Observation Builder uses a smart engine trained on thousands of electrical observations to help you classify faults correctly. It provides the appropriate code along with BS 7671 regulation references.
C1 - Danger Present
Immediate risk of injury. Installation must not be energized until the fault is rectified.
C2 - Potentially Dangerous
Risk of injury may arise. Urgent remedial action is required.
C3 - Improvement Recommended
No immediate danger, but the installation would benefit from improvement.
FI - Further Investigation
The fault could not be fully assessed and requires further investigation without delay.
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