Farmtek is a manufacturer and distributor of plugs and receptacles serving the agricultural, horticultural, building and retail trade communities.  Farmtex has single and three phase locking receptacles and plugs, auto grip plugs and connectors and auto grip corrosion resistant plugs and connectors available.  Their single phase have 15 to 30 amp and 125 to 250 volts, three phase are 20 and 30 amps with 250 to 480 volts and the auto grip are 15 to 20 amps with 125 to 250 volts.