Perfect Sales Corporation supplies Metering Cubicle with Bottom Cable Entry. Perfect Sales Corporation is an ISO 9001: 2000 recognised company manufacturing a wide range of electrical instrument transformers like Current Transformers, Potential Transformers, CT-PT Combined Units and Metering Cubicle. The Metering Cubicle with Bottom Cable Entry is a combination of current and potential transformers and is available with a metering chamber. The Metering Cubicle with Bottom Cable Entry comes in both single phase and three phase versions of the transformers.