3M Scotchlok Moisture Guard Connector MGC offers a convenient solution to connect wires for landscape irrigation and lighting applications. The mineral oil based grease inside the connector safeguards against moisture.3M Scotchlok Moisture Guard Connector MGC is ideal for applications requiring moisture and UV protection. The connector housing is weather resistant for above ground applications. The connector has a weather resistant polycarbonate body and withstands temperatures up to 221 degrees F (105 degrees C). It is 600V rated for building wire and 1000V rated for signs, fixtures and luminaires. C UL Listed and RoHS 2011/65/EU Compliant.