Official PayPal Seal 

Made of durable waterproof nylon plastic with machined terminal steel pins and zinc-coated

Tooless installation, no splicing - add wire in seconds!

Use with 12/14/16 gauge wire

Lifetime warranty - completely reusable, innovative design compared to old push/pinch styles

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Step 1:Split apart the wire for landscape light (A) about 1 inch, pass the wire through screw cap (B) and wire sleeve (C) until it reaches the end of the silicon seal 1 
Step 2:Inset the group unit (ABCD) to the side-hole connector (E), make sure the ends of two lighting wire touch at right place by aligning flat side with the inner flat side on the side-hole connector (E) unit’s hole, tighten the screw cap(B). Note: by tightening the screw cap (B), it will make ensure the wire ends. closely contact the copper pin and seal. 
Step 3:Open the locker handle (H) by turning to arrow direction, put the main wire (G) into the silicon seal 2 (F); make sure you can see the two flat pin pier comes out through the two flat holes on the Silicon seal 2 Note: Use the thinner silicon seal (F) for 12AWG main wire and the thicker silicon seal for 14/16AWG main wire. 
Step 4:Make sure your transformer output is ON. Tightly turn the Locker handle (H) to closed direction. You will see the light just ON, so connection is set.