Share to: It is our eyes that are capable of detecting a portion of the electromagnetic (EM) spectrum called visible light, or the optical spectrum.We describe the different frequencie â¦ s by color, with red being the lowest of the frequencies we can see.t is our eyes that are capable of detecting a portion of the electromagnetic (EM) spectrum called visible light, or the optical spectrum.
Young dogs can react unpredictably to electric dog fences, so understanding a puppy's development is essential to deciding when to start training the animal with the fence and collar. Generally, puppies should not be introduced to electric dog fences until they're at least four or five months old.
How to Check an Electric Fence With a Voltage Meter. Electrical fences... How to Check an Electric Fence With a Voltage Meter. Electrical fences are ideal for keeping large animals in a confined space,... An electric fence charger, sometimes referred to as a fence energizer, provides the power to electrified farm and pasture fences.