Hinged louvers for maintenance

With the following pictures of 2 ft x 2 ft recessed fluorescent corridor lighting, I meant to show how the louvers of fluorescent light fixtures are provided with hinge for ease of maintenance.
= = = = = RELATED ARTICLES: Lighting installation design= = = = =
Picture 1: 2 ft x 2 ft fluorescent corridor lighting

All parts of an electrical installation must be designed with enough provisions for

Mill lighting installation

The following lays lout some requirements for a palm oil mill lighting installation.LIGHTING FITTINGS – include office, canteen, workshop and guardhouseHigh-pressure sodium vapour lamps, high-pressure mercury vapour lamps, fluorescent lamps and incandescent bulkhead fittings shall be used for the general lighting within and outside the mill building. The Contractor shall submit copies of the

School lighting installations

The design of electrical installation, including lighting, for schools always have the following few factors as the fundamental design criteria:1) Simple design2) Low construction cost3) Simple operation4) Low maintenance cost5) Easily obtainable spare partsIn lighting design for buildings, school lighting designs takes this factors to full use.Most school buildings are used only during the day

Light switches installation

The installation of light switches and other electrical parts need to take into consideration a number of factors. For light switches, the following requirements must be incorporated into the design drawings and the specifications.1) The grouping of lighting luminaries into single control should be done in small groups or on individual luminaries. This should be arranged in such a way that

Emergency lights installation

The installation of self contained emergency lights is a statutory requirement in most countries. They need to be provided at strategic places throughout the building in order to aid the evacuation of the building occupants out of the building in the event of failure o the mains supply.

The need for these emergency lighting is real even during daytime because some internal corridors inside the

Temporary lighting installation

A construction site’s temporary electrical installation must also provide adequate lighting for the activities that are carried out at a particular workspace whether indoor or outdoor. Arguably more important than the light levels, the temporary lighting installation should be sufficiently safe for use and provided with adequate protection to prevent electrical shocks.

xxxxxxx RELATED PICTURES:

Lighting installation design

This post used to contain a sample need statement for office building lighting design. It was the kind of need statements that are provided to design-and-build contractors or turnkey contractors during the initial stage, when the contractor was invited to submit a proposal.
=== RELATED ARTICLES: Hinged louvers for maintenance ===
Photo 1: Recessed lighting

Need statements like this provide a

Light fitting specification

The following provides an example specification that can be used in a contract for the installation of the light fittings in a multi-storey office building.GeneralAll light fittings shall be designed to prevent ingress of vermin, accidental contact with any live part and to minimize the ingress of dust and dirt. Materials which may be liable to be attacked by termites or other insects shall be