Image Item No. Description  4755  Electric Plate 1 x 2 with Contacts Catalog: Parts: Electric  4757  Electric Plate 2 x 4 with Contacts Catalog: Parts: Electric  4758  Electric Plate 2 x 8 with Contacts Catalog: Parts: Electric  6551  Electric Pole Reverser / Polarity Switch without Center Part Catalog: Parts: Electric  6552  Electric Pole Reverser Center Catalog: Parts: Electric  2982c01  Electric Sensor, Light with Non-Removable Lead (Undetermined Type) Catalog: Parts: Electric  879  Electric Sensor, Touch Catalog: Parts: Electric