Image Item No. Description  x86px1  Electric Camera USB with Logo Catalog: Parts: Electric  6551c01 (Inv)  Electric Pole Reverser / Polarity Switch with Center Part Catalog: Parts: Electric  6551  Electric Pole Reverser / Polarity Switch without Center Part Catalog: Parts: Electric  6552  Electric Pole Reverser Center Catalog: Parts: Electric  879  Electric Sensor, Touch Catalog: Parts: Electric