Cooper Industries Inc., Houston, agreed to acquire emergency lighting manufacturer JSB Electrical plc, Holmes Chapel, England, for approximately $61 million.

JSB Electrical has been a subsidiary of Emess plc since the early 1980s, and had 1998 revenues of $47 million.

Once the acquisition is finalized, JSB Electrical would become part of Cooper Menvier, Banbury, England, a division of Cooper Industries.