Which of the following is NOT a benefit of busducts? There is a high degree of flexibility as the tap-off units can be conveniently changed without interruption of supply to other users Installation time can be saved due to the ease of installation Busducts use the metal enclosure as a conductor e.g. for red phase to save space It takes up less space due to its smaller size (as compared to cables)

To determine which of the options is NOT a benefit of busducts, let's analyze each statement: 1. **There is a high degree of flexibility as the tap-off units can be conveniently changed without interruption of supply to other users.** - This is a benefit of busducts. They allow for easy modifications and additions without disrupting the power supply. 2. **Installation time can be saved due to the ease of installation.** - This is also a benefit. Busducts are generally easier and quicker to install compared to traditional cabling systems. 3. **Busducts use the metal enclosure as a conductor e.g. for red phase to save space.** - This statement is somewhat misleading. While busducts do use a metal enclosure, the primary purpose is not just to save space but also to provide a robust and safe conductor. However, this can be seen as a benefit in terms of space efficiency. 4. **It takes up less space due to its smaller size (as compared to cables).** - This statement is NOT entirely accurate. While busducts can be more space-efficient in certain configurations, they are not necessarily smaller than cables in all cases. The overall size can depend on the specific application and design. Based on this analysis, the statement that is NOT a benefit of busducts is: **It takes up less space due to its smaller size (as compared to cables).**