Systems and methods for taking actions based on whether secondary power is being received

1. A device, comprising:

at least one processor;

storage accessible to the at least one processor and bearing instructions executable by the at least one processor to:

determine that power from a secondary power source at least one of is being received and will be received at least in part based on identification of at least one characteristic of power that is received, the secondary power source being a power source that is external to the device;

responsive to the determination that power from the secondary power source at least one of is being received and will be received, perform a first action regarding operating an apparatus using the secondary power source;

determine that power from a primary power source at least one of is being received and will be received, the determination that power from the primary power source at least one of is being received and will be received being based at least in part identification of a sine wave; and

responsive to the determination that power from the primary power source at least one of is being received and will be received, perform a second action regarding operating the apparatus using the primary power source.

2. The device of claim 1 , herein the instructions are executable by the at least one processor to:

determine that power from the secondary power source at least one of is being received and will be received at least in part based on at least one signal that is received at the device, wherein the signal is received via a power line using a power line communication protocol.

3. The device of claim 1 , wherein the instructions are executable by the at least one processor to:

determine that power from the secondary power source at least one of is being received and will be received at least in part based on at least one signal that is received at the device, wherein the signal is received via a wireless local area network (LAN).

4. The device of claim 1 , wherein the at least one characteristic comprises a frequency variation.

5. The device of claim 1 , wherein power from the secondary power source comprises power from a generator.

6. The device of claim 1 , wherein the first action comprises outputting an indication, via a light source, that secondary power is being supplied.

7. The device of claim 1 , wherein the first action comprises making a determination regarding whether the apparatus is permitted to operate on secondary power.

8. The device of claim 7 , wherein the instructions are executable by the at least one processor to:

responsive to a determination that the apparatus is not permitted to operate on secondary power, take a third action to prevent the apparatus from consuming power.

9. The device of claim 1 , wherein the first action comprises determining which of plural apparatuses to operate on secondary power based at least in part on a prioritization.

10. The device of claim 1 , wherein the first action comprises sequencing power supplied to the apparatus between on and off.

11. The device of claim 1 , wherein the second action comprises outputting an indication, via a light source, that primary power is being supplied.

12. The device of claim 1 , wherein the at least one characteristic comprises a reduction in quality of power that is received at the device.

13. The device of claim 1 , wherein the at least one characteristic comprises a particular frequency of power that is received at the device.

14. The device of claim 1 , wherein the at least one characteristic comprises a particular amplitude of power that is received at the device.

15. The device of claim 1 , wherein the at least one characteristic comprises a particular transmission rate for power that is received at the device.

16. The device of claim 1 , wherein the at least one characteristic relates to existence of a pseudo-sine wave.

17. The device of claim 1 , wherein the at least one characteristic relates to existence of a square wave.

18. The device of claim 1 , wherein the at least one characteristic relates to existence of a step wave.

19. A method, comprising:

determining, at a device, that power from a secondary power source at least one of is being received and will be received at least in part based on identification of at least one characteristic of power that is being supplied, the secondary power source being a power source that is disposed at a different location than the device;

performing, at the device and responsive to the determining that power from the secondary power source at least one of is being received and will be received, a first action regarding operating an apparatus using the secondary power source;

determining, at the device, that power from a primary power source at least one of is being received and will be received, the determining that power from the primary power source at least one of is being received and will be received being based at least in part identifying a sine wave; and

performing, responsive to the determination that power from the primary power source at, least one of is being received and will be received, a second action regarding operating the apparatus using the primary power source.

20. The method of claim 19 , wherein power from the secondary power source comprises power from a generator.

21. The method of claim 19 , wherein the first action comprises sequencing power supplied to the apparatus between on and off.

22. The method of claim 19 , wherein the at least one characteristic comprises one or more of: a change in frequency of power that is received at the device, a reduction in quality of power that is received at the device, a particular frequency of power that is received at the device, a particular amplitude of power that is received at the device, and a particular transmission rate for power that is received at the device.

23. The method of claim 19 , wherein the at least one characteristic relates to one or more of: existence of a pseudo-sine wave, existence of a square wave, and existence of a step wave.

24. A computer readable storage medium (CRSM) that is not a transitory signal and not a signal per se, the computer readable storage medium comprising instructions executable by at least one processor of a device to:

determine that power from a secondary power source at least one of is being received and will be received based at least in part on identification of at least one characteristic of power that is being supplied, the secondary power source being a power source that is external to an appliance;

responsive to the determination that power from the secondary power source at least one of is being received and will be received, perform a first action;

determine that power from a primary power source at least one of is being received and will be received, the determination that power from the primary power source at least one of is being received and will be received being based at least in part identification of a sine wave; and

responsive to the determination that power from the primary power source at least one of is being received and will be received, perform a second action.

25. The CRSM of claim 24 , wherein the at least one characteristic comprises one or more of: a change in frequency of power that is received at the device, a reduction in quality of power that is received at the device, a particular frequency of power that is received at the device, a particular amplitude of power that is received at the device, a particular transmission rate for power that is received at the device.

26. The CRSM of claim 24 , wherein the at least one characteristic relates to one or more of: existence of a pseudo-sine wave, existence of a square wave, and existence of a step wave.