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Electromagnetic Alarms Weaverville NC

Local resource for Electromagnetic Alarms in Weaverville. 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.

First Alert Professional
(828) 253-1235
34 N Ann St
Asheville, NC
All American Security & Electronical Service
(828) 505-2076
353 New Leicester Hwy
Asheville, NC
American Security Shredding
(828) 252-9050
537 Hazel Mill Rd
Asheville, NC
(828) 273-1657
PO Box 938
Leicester, NC
Alternate Phone Number
CCTV, burglar alarm, access control, fleet management, consulting

Electronic Office Of Asheville
(828) 274-0635
1257 Sweeten Creek Rd
Asheville, NC
Asheville Security Systems
(828) 252-6411
173 Merrimon Ave
Asheville, NC
Carolina Systems and Services
(828) 254-1100
33 Druid Dr
Asheville, NC
CAT Networks and Security
(828) 298-4774
81 Spring Cove Rd.
Swannanoa, NC
cctv, home security, voice/data cabling, full network installation

ADT Security Systems
(828) 277-1002
790b Fairview Rd
Asheville, NC
Barlow Electrical Svc Inc
(828) 251-9550
46 New Leicester Hwy # 104
Asheville, 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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