Tanzania Bureau of Standards (TBS)

Draft Standards for Public Comments

• Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods
• Electromagnetic compatibility (EMC) –Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
• Electromagnetic compatibility (EMC) - Part 3-2: Limits - Limits for harmonic current emissions (equipment input current ≤ 16 A per phase)
• Electromagnetic compatibility (EMC) - Part 3-12 Limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current 16 A and ≤ 75 A per p
• Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated curr
• Live working - Terminology for tools, devices and equipment
• Live working - Insulating sticks and attachable devices - Part 1: Insulating sticks
• Compression and mechanical connectors for power cables - Part 1-2: Test methods and requirements for insulation piercing connectors for power cables for rated voltages up to 1 kV (Um = 1,2
• Electrical accessories – Circuit-breakers for overcurrent protection for household and similar installations - Part 3: Circuit-breakers for DC operation
• Electrical accessories – Circuit-breakers for overcurrent protection for household and similar installations - Part 2: Circuit-breakers for AC and DC operation
• Instrument transformers - Part 1: General requirements
• Automatic electrical controls – Part 2-11: Particular requirements for energy regulators
• Automatic electrical controls – Part 1: General requirements
• Voltage detectors – Part 1: Capacitive type to be used for voltages exceeding 1kV AC