fiberoptic test equipment, namely powermeters; intelligent test systems primarily comprising computer hardware and software for light source; four channel optical power meter cards; tabletop non-modular power meters; tabletop modular power meters; portable light emitting diode (LED) source; laser source; hand-held multimode LED source; hand-held singlemode LED source; hand-held multimode laser source; hand-held singlemode laser source; hand-held singlemode pigtailed LED source; hand-held multimode switch-selectable LED source; hand-held singlemode switch-selectable LED source; hand-held singlemode switch-selectable laser source; fiber light source; tabletop non-modular high performance fiberoptic light source; built-in stabilized LED light source; built-in stabilized multimode pigtailed laser source, built-in stabilized multimode pigtailed LED source; built-in stabilized singlemode pigtailed LED source; built-in stabilized singlemode pigtailed laser source; built-in stablilized multimode switch-selectable dual wavelength LED source; built-in stabilized multimode switch-selectable dual wavelength laser source; built-in stabilized singlemode switch-selectable dual wavelength LED source; built-in stabilized multimode switch-selectable dual wavelength laser source; tabletop modular fiberoptic light source; visual fault locator for singlemode and multimode fibers, live fiber detector, hand-held variable attenuator for creating a calibrated level of optical attenuation; high resolution variable attenuator for creating a highly accurate calibrated level of optical attenuation; back-reflection test set comprising all necessary computer hardware and software to perform optical return loss measurement; field portable back-reflection test set comprising all necessary computer hardware and software to perform optical return loss; and voice communication set comprised of transmitters and receivers, providing a mean to perform communication over fiber for installation crews