Hi,

I have developed a easy cheap way of deturing access through fences and metal walls.

The basic is a box of 4 strand Telephone wire, glue, ziplocks and a mux.

For your fence problem you would start at one end of the fence with all 4 wires connected together. First ziplock wire to the fence every 10 feet then every 3 feet. Spot glue at ziplocks to secure the wire to the fence and prevent detachment and droping of the wire. Then attach the other end to a mux and lable it perimiter fence wire. You have a closed very stable loop that will last for years with no false alarms.

On my buildings I do the same thing. I use screws every 3 feet to pin the wire, then glue the wire and screw and every rib with construction adhesive.

If I don't have a mux handy I just tie in to the last door alarm and lable it 1510/pir,b#15 for alarm response.

On the inside of my rooms I have striped 12 pair wire and glued a single pair which is added to the door alarm loop.

This is a extreamly visual and stable deturrent.
sorry no spell checker yet. hb