For loads exceeding what value should a clamp meter or current clamp adapter be used?

Using a clamp meter or current clamp adapter is generally recommended for electrical loads exceeding 1 amp. Clamp meters offer a non-intrusive way to measure current without needing to disconnect the circuit, which is particularly useful for safety and efficiency in electrical work. Below this threshold, while measurements can still be made, other methods such as a standard multimeter might be more appropriate, but as loads increase, the utility and ease of using a clamp meter become more important.

The reasons for selecting 1 amp as a threshold are related to the performance capability of the clamp meters. At low current levels, the precision and reliability of readings can become more variable, and the sensitivity of the device might be insufficient for accurate measurements. Hence, 1 amp serves as a practical baseline for when a clamp meter should be utilized to ensure safety, accuracy, and ease of measurement in electrical diagnostics.