Protect Your Home Theater System: Choosing the Right Power Surge Solution

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SUMMARY

This discussion focuses on protecting home theater systems from power surges, emphasizing the importance of a whole house surge protection device installed at the main power panel. It highlights the necessity of proper grounding and the use of quality outlet surge protection systems, specifically mentioning Metal Oxide Varistor (MOV) technology. The conversation clarifies that stabilizers, power conditioners, and line filters are unnecessary if utility power is reliable. Additionally, the use of a large Uninterruptible Power Supply (UPS) is recommended for voltage sag protection and temporary power outages.

PREREQUISITES
  • Understanding of whole house surge protection devices
  • Knowledge of grounding techniques for electrical systems
  • Familiarity with surge suppressor technologies, particularly MOV
  • Experience with Uninterruptible Power Supply (UPS) systems
NEXT STEPS
  • Research installation procedures for whole house surge protection devices
  • Learn about grounding requirements for home electrical systems
  • Explore the specifications and benefits of MOV surge suppressors
  • Investigate the different types and capacities of UPS systems available
USEFUL FOR

Home theater enthusiasts, electricians, and homeowners looking to safeguard their audio-visual equipment from power surges and outages.

ffp
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Hi, i have a 50" plasma TV with a reciever and a home theater system that I want to protect against power surge and anything else needed.
I've read about stabilizers, power conditioners and line filters, but i don't know the difference between them. They all seems to do almost the same things.
Which one should i use to protect my system and what does each one do?
 
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Go to the main power panel and install a whole house surge protection device with proper grounding to a good solid electrical ground, check to make sure all incoming coax or communications cables have ground blocks that are connected to the same ground rod system the main panel is connected to, then use a quality outlet surge protection (MOV) system to protect the components of your system. If you have good utility power you don't need stabilizers, power conditioners or line filters.
 
I use the largest UPS that I could afford on a very well grounded system. Its batteries will hold up voltage sags or outages for an hour. They can also absorb some too high voltage peaks. I can hear the UPS's relays clanking as the automatic power trips struggle with outages.

For lightning protection I depend on my Island's installed power infrastructure surrounded by trees as charge bleeders/lightning arresters. Signal POTS side is largely underground. Then there is always insurance.

A surge suppressor's capability is directly related to its size, larger-slower-higher capacity / smaller-faster-low capacity.
 

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