April Issue 2006

 


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| April 2006
Contractors who have developed their fire alarm system maintenance and testing business and specialize in the retrofit markets have already seen the financial benefits associ

| April 2006
I once read that Thomas Edison tried to sell houses made from preformed concrete panels without success.

| April 2006
The current residential market provides additional entertainment, security, safety and convenience to homeowners, but also provides an open door for electrical contractors.

| April 2006
First came the public switched telephone network (PSTN), then signaling system 7 (SS7), followed by session initiation protocol (SIP) and now SIP for the private branch exchan

| April 2006
Will unshielded twisted pair (UTP) replace coaxial cable? Probably not, but for those who want to bundle systems and services, it is an extremely viable option.

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