Journeyman Electrician Exam (NEC)Wiring Methods and MaterialsEasy
A technician is installing a new 20-amp, 120-volt branch circuit in a commercial office. The circuit uses 12 AWG THHN conductors in EMT. The conductors are connected to a terminal block where the circuit conductor enters the terminal directly, without a splice. This type of connection is known as a:
- ATap connection
- BSplice connection
- CTermination
- DPigtail connection
Show answer & explanationAnswer & explanation
Correct answer: C. Termination
A termination is the process of connecting a conductor directly to a device or terminal point, such as a circuit breaker, receptacle, or terminal block, without an intervening splice. The scenario describes exactly this, where the conductor enters the terminal directly.
Why the other options are wrong
- A. A tap connection is a type of splice where a conductor branches off from a main conductor.
- B. A splice connection joins two or more conductors together, not directly to a device.
- D. A pigtail connection is a type of splice where a short conductor is added to extend a circuit or connect multiple conductors to a single device terminal.
Conductor Termination
The process of connecting the end of an electrical conductor to a device, terminal, or equipment without joining it to another conductor (i.e., not a splice).
- Connects a conductor directly to a terminal point.
- Examples: connecting to a circuit breaker, receptacle, switch, or terminal block.
- Different from a splice, which joins conductors together.
Memory trick: Connections are either 'splices for joining' or 'terminations for ends'.