Author: general

Nov - 04
2017
central inverter

INVERTERS

A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC). The input voltage, output voltage and frequency, and overall power handling depend on the design of the specific device or…

Nov - 04
2017
cctv installation

CCTV INSTALLATION

Closed-circuit television is the use of video cameras for surveillance purposes. Although usually associated with banks, airports and other ‘at risk’ areas, in reality the use of CCTV has become far more widespread. While it is a valuable tool in…

Nov - 04
2017
Switchgear in the electrical room.

INDUSTRIAL INSTALLATION

When it comes to commercial and industrial electrical systems you need an electrical design engineer that knows the value of sound planning, clear schematics and open communication. We have years of experience in electrical consultancy across a range of commercial…

Nov - 04
2017
Residential-Electric installation

ELECTRICAL INSTALLATION

Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets and light fittings in a structure. Wiring is subject to safety standards for design and installation. Allowable wire and cable types and sizes…

Nov - 04
2017
color-video-door-phone-system

VIDEO DOOR SYSTEM

Video door-phone (also known as video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication…

Nov - 04
2017
Burglar-Alarms system

BURGLAR ALARM SYSTEM

A security alarm is a system designed to detect intrusion – unauthorized entry – into a building or other area. Security alarms are used in residential, commercial, industrial, and military properties for protection against burglary (theft) or property damage, as…

Nov - 04
2017
access-control-system-diagram

ACCESS CONTROL

In the fields of physical security and information security, access control (AC) is the selective restriction of access to a place or other resource. The act of accessing may mean consuming, entering, or using. Permission to access a resource is…

Nov - 04
2017

STREET LIGHT

A street light, light pole, lamppost, street lamp, light standard, or lamp standard is a raised source of light on the edge of a road or path. Modern lamps may also have light-sensitive photocells that activate automatically when light is…

Nov - 04
2017
traffic light

TRAFFIC LIGHT

Traffic lights, also known as traffic signals, traffic lamps, traffic semaphore, signal lights, stop lights, robots (in South Africa), and traffic control signals (in technical parlance), are signalling devices positioned at road intersections, pedestrian crossings, and other locations to control…

Nov - 04
2017
AUTOMATIC GATE OPENER

AUTOMATIC GATE OPENERS

When selecting an automatic, electric, or solar gate opener, first start with the swing type of your driveway gate. Gate openers have limits on the weights they can support. The second consideration is the duty cycle of the gate: how…