answersLogoWhite

0

Mains switches should almost always be energized when lifted up and disconnected when down. This reduces the chances that something falling on the lever will accidentally energize the system.

User Avatar

Wiki User

18y ago

What else can I help you with?

Continue Learning about Natural Sciences

What are the main ingredients in super iron out?

Super Iron Out contains sodium bisulfate, surfactants and water. Sodium bisulfate is the active ingredient that helps to dissolve rust stains, while surfactants help to break down and lift the stain from the surface.


What are the parts of the common household circuit?

A common household circuit consists of a breaker, wiring, outlets, and switches. The breaker protects the circuit from overloading, the wiring carries the electricity to the outlets and switches, and the outlets provide the connection for devices to receive power. The switches control the flow of electricity to the outlets or lights.


Why would the main safety go down every evening at exactly the same time?

not alot of info but do you have something on a timer that is coming on at that time what are you calling a main safety? Does your hot water tank start heating at that time? Safety switches will trip, when loads are switched on, if either the active or neutral connections are interconnected with unprotected circuits. Is your main breaker in a metal box on the outside of your house? On the west side? You come home and start using appliances, meanwhile the sun starts heating up that main breaker, and then it trips!


What does lift charge do in fireworks?

The lift charge is a small explosive at the base of a firework that propels it into the air. It creates the initial force needed to launch the firework into the sky before the main explosive inside the firework ignites, creating the visual spectacle.


What are the main ingredients of laundry detergent?

The main ingredients of laundry detergent typically include surfactants to lift dirt and stains, enzymes to break down proteins and other organic matter, builders to soften water and enhance cleaning efficiency, and fragrance to add scent. Other ingredients may include brighteners, bleach, and anti-redeposition agents.

Related Questions

What is the function of an switch?

Auxiliary switches are separate switches with circuit which helps for the function of commutation of main switches of a converter.


Which networking device main purpose is to segment collision domains?

switches


What is the lift differential that exists between the advancing main rotor blade and the retreating main rotor blade known as?

Dissymmetry of Lift


What are the advantages of rolling luggage?

The main advantage of rolling luggage is that you don't have to lift your heavy bags everywhere. You can simply roll them to wherever you are going. You would only need to lift your bags when going up or down stairs.


Why do your windows go down on your Toyota sepuoia when you lock the doors?

I believe when you have the windows locked from the main control (Driverside) Only the driver can lower the windows. If you try to lower them from the other switches if shout NOT allow the windows to move up or down.


What is the difference between a load break switch and an air break switch?

The main difference is that air break switches lack a mechanism for suppression and load break switches do have them. They are both disconnect switches but have different uses.


The main rotor on a helicopter creates what?

The main rotor on a helicopter creates lift, which allows the helicopter to become airborne and maintain its altitude during flight.


What are the main breast lift procedures?

There are some breast lift procedures available to those who want or need a breast lift. The main one is mastopexy which lifts the breasts and gives them a larger, fuller appearance.


What are the different types of sump pump float switches available for purchase?

There are three main types of sump pump float switches available for purchase: vertical float switches, tethered float switches, and electronic float switches. Each type operates differently to activate the sump pump when water levels rise.


What is the main purpose of SPST and DPST switches?

An SPST switch can break the connection or hold the connection depending on which switch your using.


Why was a switch made?

A switches main purposes is to stop the current flow in a closed circuit.


can you lift up a vaneer that has fallen down?

Sulken Timothy P DDS can fix it 335 North Main Street, Fostoria, OH - (419) 435-6700