Typical Electrical Installation

Typical Installation Details and Drawings for Building Construction

Typical Drawings
Construction projects highly depends on typical installation details and drawings. Architects and engineers use this kind of information to reduce their work load. Employees particularly technicians and foremen who execute the project uses typical drawings as general guidelines where repeated structure, forms, shapes, operations, loads, etc. come into force.

Typical Details For Cable Tray Installation And Support System

Typical Detail Showing Cable Tray Crossing Building Expansion Joints
Below drawing shows how to install cable tray and its support system. This cable tray support system drawing has Isometric view and cross-sectional view. Following are the steps to be done for laying cables on wall mounted cable tray: Install cable tray support using a pre-fabricated flange or GI channel. The size, length and intervals of the support to be as per the specification, standards, number of cables, and size of the cable.

Typical Mounting Details Of Fire Alarm Detectors

Typical Mounting Detail Of Fire Alarm Detectors mounted on false ceiling
These typical drawings show how to install smoke detectors and heat detectors used in Fire Alarm system on false ceiling. The installation shall be as per the relevant section in the contract specification and drawing has the following major points: Smoke detector mounted on false ceiling with the help of loop in box; Firetuff or equivalent cable run under the RCC slab clipped to the soffit; Cable size shall be 2 core 1.5 sq. mm copper; Cable has to be looped to the detector and tied as shown in the drawing.

Typical Mounting Details Of Fire Alarm Break Glass Manual Call Point

Typical Mounting Detail Of Fire Alarm Break Glass Manual Call Point

These drawings show how to install Fire Alarm Break Glass (BG) or Manual Call Point (MCP) on walls. It has to be mounted on back box installed in the wall. This box (embedded or exposed as specified in the concerned section of the specification) has to be connected through GI / PVC conduit that will have the Firetuff or equivalent cable to be looped for other detectors.

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