By Terry Kennedy John E. Traister
Best-of-the-best directions for dealing with low voltage wiring The A-Z reference on designing, fitting, keeping, and troubleshooting glossy defense and fireplace alarm structures is now totally up to date in a brand new variation. ready via Terry Kennedy and John E. Traister, authors with over 3 a long time of hands-on adventure apiece within the building undefined, Low Voltage Wiring: Security/Fire Alarm platforms, 3rd variation presents the entire applicable wiring facts you want to paintings on safeguard and hearth alarm structures in residential, advertisement, and business structures. A CD-ROM packaged with the booklet with ease places at your fingertips pattern types, checklists, a fully-searchable thesaurus, and hot-linked reference URLs. additionally, you get: *Important defense assistance * Lists of laws * causes of rising applied sciences *Useful remedies of estimating and bidding * even more
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Low Voltage Wiring: Security Fire Alarm Systems, Third Edition
Best-of-the-best instructions for dealing with low voltage wiring The A-Z reference on designing, fitting, retaining, and troubleshooting sleek safeguard and fireplace alarm structures is now absolutely updated in a brand new variation. ready by means of Terry Kennedy and John E. Traister, authors with over 3 many years of hands-on adventure apiece within the development undefined, Low Voltage Wiring: Security/Fire Alarm platforms, 3rd version presents all of the acceptable wiring info you want to paintings on safeguard and fireplace alarm structures in residential, advertisement, and commercial structures.
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Magnetic contacts 4. Glass-break detectors 5. Photoelectric detector 6. Smoke detector 7. Fire horn The materials take-off begins with listing all major components by catalog number, quantity, and price of each item (Fig. 9). Use a rotameter, scale, or a digitizer, and calculate the total footage of wire. ). When completed, extend the figures as shown in Fig. 9. This estimate sheet is not to be taken as a real-world estimate. It is simply an example of how the process works. Remember that prices vary throughout the country—they tend to be lower in rural areas and grow as the locale moves toward urban areas.
Each company has their own unique approach to estimating and as long as materials, labor, and overhead are all covered and the system is fast and accurate, the terms and the style of the form are immaterial. Estimating today is mostly done on the computer and the formats for the take-off lists and presentation bid sheets from the various types of software tend to have their own unique appearance. For simple takeoffs, the form in Fig. 1 can be carried into the field and a bid can be presented to the customer on the spot for a rapid closing of the sale.
Any computer system that you use for estimating should be capable of being fully integrated with computer programs that your company is using for accounting and management. So much is going on with computers that keeping abreast of hardware and software can be a full-time job. Are you in the security systems business or the computer business? We all know the answer to that question. Put your time into what you do well, make it easy on yourself and your staff, and put the time you would spend researching computer systems into researching highquality computer consultants who specialize in fully integrated, office and field installations for the electrical industry.
