October Issue 2009

 

In some ways, there is no difference between small and large contractors. Each one earns...


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| October 2009
Video surveillance is a powerful tool, especially when price is not the main deciding factor behind what is purchased.

| October 2009
Programmable logic controllers (PLCS) have been with us for some time—the first PLCs with architecture and functionality like the ones in use now were built in the mid-1970s.

| October 2009
In the last issue of ELECTRICAL CONTRACTOR, I discussed the National Electrical Code (NEC) requirements for cord-and-plug-connected air conditioners (AC units).

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| October 2009
ComEd is on a campaign against stealing electricity and issued a reminder about the public-safety risks associated with the illegal act.

| October 2009
These two topics—training and safety—are appropriate to cover together; properly trained installers will be safe workers, and safe workers are more likely to do careful, good

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