Building Construction Handbook, Eighth Edition
Electrical Supply ~ in the UK electricity is generated mainly from gas, coal, nuclear and hydro-electricity power plants. Altern ...
Electrical Supply Intake ~ although the electrical supply intake can be terminated in a meter box situated within a dwelling, mo ...
Entry and Intake of Electrical Service ~ the local electricity supply company is responsible for providing electricity up to and ...
Consumer's Power Supply Control Unit † this is conveniently abbreviated to consumer unit. As described on the previous page, it ...
Electric Cables ~ these are made up of copper or aluminium wires called conductors surrounded by an insulating material such as ...
Wiring systems ~ rewireable systems housed in horizontal conduits can be cast into the structural floor slab or sited within the ...
Cable Sizing ~ the size of a conductor wire can be calculated taking into account the maximum current the conductor will have to ...
Power Sockets ~ in new domestic electrical installations the ring final circuit is usually employed instead of the older obsolet ...
Lighting Circuits ~ these are usually wired by the loop-in method using a line, neutral and circuit protective conductor to eart ...
Gas Supply ~ potential consumers of mains gas may apply to their local utilities supplier for connection, e.g. Transco (Lattice ...
Gas Service Pipes ~ 1. Whenever possible the service pipe should enter the building on the side nearest to the main. A service ...
Gas Fires ~ for domestic use these generally have a low energy rating of less than 7 kW net input and must be installed in accor ...
Gas Fire Flues ~ these can be defined as a passage for the discharge of the products of combustion to the outside air and can be ...
Open Fireplaces ~ for domestic purposes these are a means of providing a heat source by consuming solid fuels with an output rat ...
Open Fireplace Recesses ~ these must have a constructional hearth and can be constructed of bricks or blocks of concrete or burn ...
Open Fireplace and Flues ...
Open Fireplace Chimneys and Flues ~ the main functions of a chimney and flue are to:- 1. Induce an adequate supply of air for th ...
Refs. BS EN 13502: Chimneys. Requirements and test methods for clay/ceramic flue terminals. BS EN 1457: Chimneys. Clay/ceramic f ...
Open Fireplaces and Flues ...
Chimney construction † Typical chimney outlet Clay bricks † Frost and thaw, severe exposure resistant quality. Min. density 1500 ...
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