Circuit testers are devices for testing AC outlet load handling capabilities plus outlet tester functions as a way to determine whether or not a
circuit is good. Generally consisting of two leads, the device works by touching one lead to a live wire and the other to a neutral or ground. Doing
so will trigger a light or sound indicating that the power is on and the circuit is good. If the light or sound is not triggered, either the power
is turned off or the circuit is bad.
Circuit testers are especially handy in older homes when it’s important to know if an equipment ground wire is actually connected to ground elsewhere
in the system. It may be necessary to perform this check when replacing older ungrounded switches with grounded ones as now required by the National
Electrical Code.
If you have any questions regarding circuit testers please don't hesitate to speak with one of our engineers by e-mailing us at sales@instrumart.com or calling 1-800-884-4967.
