Common use of Disconnect Switch Clause in Contracts

Disconnect Switch. The Utility may require the Interconnection Customer to install a manual load- break disconnect switch or safety switch as a clear visible indication of switch position between the Utility System and the Interconnection Customer. The switch must have pad lock provisions for locking in the open position. The switch must be visible to, and accessible to Utility personnel. The switch must be in close proximity to, and on the Interconnection Customer’s side of the point of electrical interconnection with the Utility's System. The switch must be labeled "Generator Disconnect Switch.” The switch may isolate the Interconnection Customer and its associated load from the Utility's System or disconnect only the Generator from the Utility's System and shall be accessible to the Utility at all times. The Utility, in its sole discretion, determines if the switch is suitable and necessary. When the installation of the switch is not otherwise required (e.g. National Electric Code, state or local building code), and is deemed necessary by the Utility for certified, inverter-based generators of 10 kW or less, the Utility shall reimburse the Interconnection Customer for the reasonable cost of installing a switch that meets the Company’s specifications. ANSI C84.1-1995 Electric Power Systems and Equipment – Voltage Ratings (60 Hertz) IEEE 1547, Standard for Interconnecting Distributed Resources with Electric Power Systems (including use of IEEE 1547.1 testing protocols to establish conformity) IEEE Std 100-2000, IEEE Standard Dictionary of Electrical and Electronic Terms IEEE Std 519-1992, IEEE Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems IEEE Std C37.108-1989 (R2002), IEEE Guide for the Protection of Network Transformers IEEE Std C37.90.1-1989 (R1994), IEEE Standard Surge Withstand Capability (SWC) Tests for Protective Relays and Relay Systems IEEE Std C37.90.2 (1995), IEEE Standard Withstand Capability of Relay Systems to Radiated Electromagnetic Interference from Transceivers IEEE Std C57.12.44-2000, IEEE Standard Requirements for Secondary Network Protectors IEEE Std C62.41.2-2002, IEEE Recommended Practice on Characterization of Surges in Low Voltage (1000V and Less) AC Power Circuits IEEE Std C62.45-1992 (R2002), IEEE Recommended Practice on Surge Testing for Equipment Connected to Low-Voltage (1000V and Less) AC Power Circuits NEMA MG 1-1998, Motors and Small Resources, Revision 3 NEMA MG 1-2003 (Rev 2004), Motors and Generators, Revision 1 NFPA 70 (2002), National Electrical Code UL 1741, Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources