RMU2: RMU2-S Annotated Photos
The number in the yellow circle corresponds to the
numbered explanation on the following list:

- Small, weather-proof satellite transmitter mounts externally with a view of the sky
- Durable wide temperature cable with molded miniature waterproof connectors connects the two devices together
- Battery powered design simplifies installation and provides greater lightning immunity
- Test switch and device LED status indicator
- Sealed terminal block assembly mounts inside
of the rectifier, test point, or bond

- Exceptional lightning immunity provides long-term reliability
- Four galvanically isolated analog input channels
- Integral mounting system directly mates with industry standard ½" electrical fittings
- Magnetic door / tamper switch

- Non-contact AC line voltage presence sensor