End Of Line Resistor Installation Services
Keep Things Secure and Simple
The end of line resistors (EOLR for short) are resistors designed for a pre-determined valued and used to control protected zones. Fire and gas alarms, burglar alarms, and emergency shutdown systems all respond to the emergency at hand on a pre-established condition.
The way alarm systems do this is by analyzing the electrical system. In short, alarms see an open electrical system as fail-condition when armed. Likewise, they see a short-circuit as another fail-condition.
In both events, the alarm system will be triggered since they both signal the same thing: there is a problem that must be addressed immediately.
The problem is that these alarm systems create the chance of having false positives. These mistakes are not only harmful and useless for people, but it's also cumbersome to the police and fire department.
The National Fire Protection Association determined that there were 2547000 million false alarms across the US in 2017 alone. That is a pretty hefty number that could be reduced if more people installed EOLR.
As the name suggests, EOLR should be installed at the end of a security loop. At no point in time, it should be placed in the middle of the system unless particular set conditions are met.
In most cases, EOLR can be only installed at the end. That is because if it's not, the effectiveness of the resistor is lost. Moreover, EOLRs are highly recommended for places with exposed wires, easily compromisable areas, and zones that are subject to damage.
New York Engineers designs foolproof alarm systems with EOLR for effective and efficient functioning. We ensure that false alarms are reduced so that your employees or clients don't panic unnecessarily.
Our solutions safeguard property and allow action to be taken only when there is a real concern.
What Are End Of Line Resistors?
open or not. As long as the alarm received full current, it determined that everything was functioning correctly. As soon as the alarm detected a lack of voltage, it went off and alerted people of a possible problem.
Nowadays, security systems enjoy the benefits of technology. And that has, in turn, made alarm systems more secure. But, there is always room for improvement, and that's where EOLRs come in.
An EOLR is a semiconductor that provides a level of resistance to any given electrical current. The control panel sees this resistance as a reduction in total voltage.
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Why Are End Of Line Resistors Important?
An emergency can happen at any time: from a fire breaking out or a gas leakage to a criminal walking into the home. Modern systems do not have a way to measure voltage effectively. What they do instead is send small pulses through the wires to make sure everything is working according to their specifications.
It is a sound system, but it is prone to failure from overused wires or inaccurate measures. The way that can happen is by the control panel sending an electric signal that is higher than what the preprogrammed ohmmeter can detect. Thus, causing a false alarm.
Technicians happen to have a better tool to measure current and voltage. Their ohmmeter detects the current and/or voltage of any given circuit far more accurately than the ones preinstalled in control panels.
Sadly, no one is going to spend every single moment of their lives testing the wires to see if there is a dip in current and by how much.
This is where EOLRs come in handy. By providing a way to limit—in a controlled manner—the amount of current to a minimum, end of line resistors allows control panels to test the system without any worrying of triggering a false alarm and also by having a constant reading.
The ohmmeter in the control panel will read the same reduced level of current, regardless of the intensity they use to test the cables or any minor variables in the voltage that might also cause a false positive. That ensures that the system only acts in case of emergency.
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