An electrode assembly for an electrosurgical instrument includes a housing configured to operably receive a distal end of an electrosurgical instrument shaft, the housing encapsulating an insulative core sandwiched between a pair of return electrodes. The insulative core includes a slot defined about a periphery thereof configured to partially receive an active electrode. The active electrode and the pair of return electrodes are adapted to connect to opposite polarities of an electrosurgical generator. A tensioning mechanism is configured to tension the active electrode about the insulative core during assembly.
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