Oklahoma Electrical Practice Exam

Cable splices made in a cable tray must be?

1. Covered

2. Accessible

3. Insulated

4. Secured tightly

The correct answer is: Accessible

Cable splices made in a cable tray must be accessible to ensure that they can be inspected and maintained easily. This accessibility is crucial for various reasons, including safety and compliance with electrical codes. When splices are accessible, electricians and technicians can perform necessary checks, repairs, and troubleshooting without the need for extensive disassembly or complicated procedures. In cable installations, particularly those in commercial or industrial settings, easy access not only facilitates routine maintenance but also adheres to accommodation for inspections that may be required by electrical codes or local regulations. If splices were covered or inaccessible, it would hamper safety inspections and could lead to issues if a fault occurs, ultimately impacting electrical system reliability and safety.