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Newmarket-Tay Power Distribution Ltd. Number: Conditions of Service Issue Date: NT POWER COS–230–03 July, 2007 Next Review Date: February, 2015 Electrical Disturbances 1. Preamble Newmarket-Tay Power Distribution Ltd. (NT POWER), and the Consumers on their distribution system, should expect electrical disturbances from time-to-time. Guidelines that should be adhered to are outlined in this section. 2. Force Majeure NT POWER shall not be held liable for the failure to maintain supply voltages within standard levels due to Force Majeure as defined below. NT POWER shall practice reasonable diligence in maintaining supply voltage levels, but is not responsible for variations in voltage from external forces such as operating contingencies, exceptionally high loads and low voltage supply from the transmitter or host distributor. NT POWER shall not be liable for any delay or failure in the performance of any of its obligations under this Conditions of Service due to any events or causes beyond the reasonable control of NT POWER, including, without limitation, severe weather, flood, fire, lightning, other forces of nature, acts of animals, equipment failure, third party damage to NT POWER’s distribution system, epidemic, quarantine restriction, war, sabotage, act of a public enemy, earthquake, insurrection, riot, civil disturbance, strike, restraint by court order or public authority, or action or non-action by or inability to obtain authorization or approval from any governmental or regulatory authority, or any combination of these causes. 3. Consumer Responsibilities Voltage fluctuations and other disturbances can cause flickering of lights and other serious difficulties for Consumers connected to NT POWER’s distribution system. Consumers must ensure that their equipment does not cause any disturbances such as harmonics and spikes that might interfere with the operation of adjacent Consumer equipment. Equipment that may cause disturbances includes large motors, welders and variable speed drives, etc. In planning the installation of such equipment, the Consumer must consult with NT POWER. Some types of electronic equipment, such as video display terminals, can be affected by the close proximity of high electrical currents that may be present in Newmarket-Tay Power Distribution Ltd. Conditions of Service NT POWERCOS – 230 – 03 Electrical Disturbances July 17, 2007 transformer rooms. NT POWER may assist in attempting to resolve any such difficulties at the Consumer’s expense. Consumers who may require an uninterrupted source of energy supply, or a supply completely free from fluctuation and disturbance, must provide their own power conditioning equipment for these purposes. ---------- End of Document ---------- 2