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Security and Low Voltage terms, defined

Plain definitions of the security and low voltage words that come up on estimates, inspections and supplier calls, written for security installers. Each term says where it matters on the job and links the Koira calculator, cost guide or template that goes with it.

A

Security and Low VoltageAlarm monitoringAlarm monitoring is a service where a staffed central station receives alarm signals and calls the owner or dispatches police or fire.

C

Security and Low VoltageCat6 cableCat6 is a twisted pair network cable used for Ethernet, PoE cameras and access points.

D

Security and Low VoltageDoor contactA door contact is an alarm sensor made of a magnet and a switch that tells the alarm panel when a door or window opens.

L

Security and Low VoltageLow voltage wiringLow voltage wiring carries signals and small amounts of power for cameras, alarms, network, doorbells, thermostats and speakers, instead of line voltage for lights and outlets.

M

Security and Low VoltageMotion detectorA motion detector is an alarm or lighting sensor, usually passive infrared, that detects a warm body moving in its field.

N

Security and Low VoltageNVRAn NVR is a network video recorder that records IP cameras to a hard drive.

P

Security and Low VoltagePoEPoE, power over Ethernet, sends power and data down one network cable, so a camera or access point needs no separate power supply.

S

Shared with Glass and GlazingSecurity glassSecurity glass is laminated or polycarbonate glazing, or film applied to existing glass, that resists break-ins or keeps broken glass in place.

More for security installers: free security and low voltage tools, templates and guides and how the trade runs on Koira. Or browse the whole glossary.

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Security and Low Voltage Glossary: Terms and Definitions | Koira