| Exposure Characteristics | Miscrotesla (µT) | Milligauss (mG) |
|---|---|---|
| Occupational | 1000 | 10000 |
| General Public | 200 | 2000 |
Source: Ministry of Health. 2013. Electric and Magnetic Fields and Your Health. Wellington: Ministry of Health. *The International Commission on Non-Ionizing Radiation Protection (ICNIRP) is an international body and is recognised by the World Health Organisation (WHO) for its expertise in the area of Electric and Magnetic Fields.
| Network | Measurement at Device | Measurement 1m Away |
|---|---|---|
| Zone Subs (Fence) | 1.5 µT | - |
| Under 66kV Line | 0.5 µT (1.5 above ground) | - |
| Under 33kV Line | 0.5 µT (1.5 above ground) | - |
| Under 11kV Line | 0.5 µT (1.5 above ground) | - |
| Under 11kV & 400V Line | 0.5 µT (1.5 above ground) | - |
| 11kV/400V Overhead Sub (Transformer) | 1.5 µT | - |
| 11kV/400V Padmount | 30 µT | 3 µT |
| Andelect | 1.5 µT | 0.5 µT |
| Service Box | 8 µT | 1 µT |
| Domestic | Measurement at Device | Measurement 1m Away |
|---|---|---|
| Portable Radio | 1 µT | 40 nT |
| Portable Fan | > 100 µT | 2 µT |
| Hairdryer | 40 µT | - |
| Electric Shaver | > 100 µT | - |
| Rechargeable Shaver | 0.5 µT | - |
| TV (CRT) | 4 µT | 200 nT |
| Computer Screen | 2 µT | 40 nT |
| Plug Adaptor | > 100 µT | 80 nT |
| Extractor Fan | 3 µT | 80 nT |
| Electric Blanket | 2 µT | - |
| Computer Screen (LCD) | 1.5 µT | 300 nT |
| Electromagnetic Cooktop | 8 µT | 40 nT |
| Clock Radio | 80 µT | 40 nT |
| Meter Box | 6 µT | 60 nT |