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Electromagnetic Alarms Wendell NC

Local resource for Electromagnetic Alarms in Wendell. Includes detailed information on local businesses that provide access to Electromagnetic Alarms, keyless entry, garage door opener, driveway alarm, as well as advice and content on electromagnetic and electronic alarm system retailers and stores in your location.

Crime Security Systems
(919) 954-8842
2925 Huntleigh DR
Raleigh, NC
BellSouth Security Systems From Protection One
(919) 250-3539
2201 Brentwood Rd
Raleigh, NC
Sunbelt Security Systems
(919) 783-5522
720 Oberlin RD
Raleigh, NC
Advantage Security
(919) 877-1095
3209 Gresham Lake Rd
Raleigh, NC
Techway Systems Inc.
(919) 785-2220
5205-C Oak Park Rd
Raleigh, NC
Adt Security Services Incorporated
(919) 834-7848
2517 Noblin Rd
Raleigh, NC
Adt Security Services Incorporated
(919) 755-5120
331 Blake St
Raleigh, NC
Omni Security Systems
(919) 872-0831
6214 Litchford RD
Raleigh, NC
The Shepherd's Eyes
(800) 216-9202
545 Clubhouse Drive
Youngsville, NC
Alternate Phone Number
Video Surveillance Systems for Buisness

Affordable Security
(919) 795-2190
130 Skipwith Dr
Wendell, NC

Electromagnetic Detection

Most intrusion detection systems in use today utilize some form of electrical circuit running through wires, mechanisms, metalized tape or foil. If any part of the electric circuit running through two pieces of metal in the door locks or window lock mechanisms , or if a strip of metallic tape on the window glass is broken, it trips an alarm.

Circuits work well when an intruder attempts entry as one would expect, by opening a door or window. Burglars however, know how to use crowbars and other burglary tools to get through doors without disrupting these electrical circuits. In warm climate regions, houses may have thin walls, and entry can be gained by cutting through a wall. Tape or wire mesh in the wall would have to be torn or cut through to gain entry, thus tripping the security alarms .

Limitations occur in a circuit system because the gap or break can be bridged when the burglar breaks the tape or magnetic connection with a long wire or piece of metalized tape, prying open a door or window frame without setting off the alarm.

Magnetic Contact Circuits

Electromagnetic systems are often used on doors to apartment buildings and secure areas in government offices. They use a magnet in one sealed enclosure and a switch in another sealed enclosure and when the magnetic contact is broken, the alarm signal sounds.

In order to open a door protected with a magnetic door latch, a button has to be pushed by an attendant to allow the door to be opened by the visitor...

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