Electrical Estimating and Costing

All electricians have to do some estimating and costing. People want to know what it will cost before contracting for a job. In electrical wiring, estimating requires a lot of time and effort. The electrician must charge the customer for the materials to be used (e.g., wires, switches, plugs), the cost of labor and supervision, … Read more

6 Types of Electrical Conduit

Electrical Conduit protects and carries wires. There are six types of electrical conduit pipes used in the domestic wiring. They are, Electrical Metallic Tubing (EMT) Electrical Nonmetallic Tubing (ENMT) Rigid Metal Conduit (RMC) Intermediate Metallic Conduit (IMC) Flexible Metal Conduit (FMC) Rigid PVC Conduit. Six Types of Electrical Conduit 6 Types of Electrical Conduit  Electrical … Read more

Home Security System | Wired and Wireless Alarm System

Home Security System | Wired and Wireless Alarm System Home Security Alarm Systems: Wired and Wireless Alarm System There are a number of different types of alarm systems. Some are hard wired alarm system, with wires running from switches to a central location where a relay is energized or de-energized to cause an alarm to … Read more

Hydraulic Pump: Cable Crimping Tools or Connector Tools

Cable Crimping Tools or Connector Tools: Hydraulic Pump Hydraulic pumps are used to ensure that all sizes of aluminum conductors can be properly terminated. They are also used in bending aluminum cable when it is of such diameter as to require the extra pressure afforded by a hydraulic device. A hydraulic pump for aluminum connector … Read more

How to Control Street Lighting Better

How to Control Street Lighting Better | The most common method of control is to run independent street lighting mains from the substation, and operate the control switches manually at the appropriate time each day. The disadvantage is that the substation will have to be manned; provision of independent street lighting mains to all out … Read more

The Basic Steps in Lighting Design

The Basic Steps in Lighting Design | Steps in Designing a Lighting Installation – The basic steps in lighting design are: Basic Steps in Lighting Design Basic Steps in Lighting Design  1. First survey the area to be lighted and make out a layout plan showing its principal dimensions, supporting structures, beams, trusses and layout … Read more

Adequate Lighting : Electrical Lighting Installation

Adequate Lighting : Electrical Lighting Installation | Some of the factors which affect adequacy of lighting are discussed below: The eye sees best in daylight, out of doors, when the sky is slightly overcast. Lighting which approaches it is therefore the best. To produce this high level of illumination at night is impracticable and uneconomical. … Read more

How to Reduce Glare in Lighting Installation

How to Reduce Glare in Lighting Installation | Glare is harsh and unwanted light which causes discomfort, nervous strain and fatigue. Perhaps the best example of glare is the blinding effect of a powerful headlight of an automobile coming in front when you are driving on a dark road. It is most annoying and leaves … Read more