Continuity Tester
Definition and meaning of Continuity Tester in real estate.
A continuity tester is a simple, battery-powered electrical tool used to determine if an electrical path or circuit is complete or broken. It operates by sending a small electrical current through a wire or device when its two probes touch the circuit points.
In more detail
If the circuit is complete and has continuity, the tester will light up, buzz, or display a reading. In home inspections and renovations, this tool is vital for checking the integrity of wires, fuses, switches, and outlets. It is important to note that a continuity tester must only be used on circuits that are completely disconnected from the main power source to prevent electrical shock or damage. Inspecting electrical systems with this tool helps verify that fixtures are wired safely.
Key facts
| Category | Property Types & Construction |
|---|---|
| Power source | Internal battery |
| Safety rule | Use only on circuits where the power is turned off |
| Indications | A light or a sound when a circuit is complete |
An inspector uses a continuity-tester to check a light switch before installing it, confirming that the electrical path connects when the switch is flipped to the on position.
Frequently asked questions
Can you use a continuity tester on live wires?
No, you must never use a standard continuity tester on live wires. Doing so will destroy the tester and could cause severe injury or electrical shock.
How does a continuity tester differ from a voltage tester?
A continuity tester uses its own battery to check if a circuit is unbroken, while a voltage tester detects the presence of live electrical current from an active power source.