From the Manufacturer
Coleman Cable 02831 attachable GFCI converter for extension cords, Tools and equipment this converts any standard cord into a GFCI surge protected cord. GFCI stands for ground fault circuit interrupter. It provides personal protection from ground faults and open neutral conditions anywhere electrical equipment is used. all GFCIs are compact, weatherproof. Rainproof and engineered to handle rugged conditions of any jobsite.
Product Description
"COLEMAN CABLE INC" USER ATTACHABLE
* 15amp.
* GFCI user attachable.
* Adaptable with existing 3 wire cords up to 12 awg.
* To comply with osha's gfci requirements.
* Supplied with sealant to make it rainproof.