Yes, the code requires a complete dead front so that no access can be made to the bare distribution bus behind the panel face.
Main circuit circuit breaker
If you have a light that is not being powered through a circuit breaker or fuse, you should call a qualified electrician to remove this circuit from the panel's bus and install a circuit breaker for it. Without an overcurrent protective device (circuit breaker or fuse) you have a potential fire hazard.
Typically yes because that is what makes sense. However, the subpanel could have the same size breaker as long as the panel were rated for that amperage and the wire sizes were appropriate.
2
The connection blades and how they connect into the distribution panel's bus.
yes, it will fill the hole in the panel if you have no blank covers, if you want to be sure it is completely inert, disconnect the power lead and cap it.
It is inserting a breaker into a service panel.
Example sentence - We hired an electrician to at the circuit breaker and install an updated panel.
which circuit breaker? either engine compartment or r.h. dashboard panel
If you are talking about a breaker in a house panel then a 15 amp breaker would be used. It is the smallest amperage breaker that you will find in a house panel.
Main circuit circuit breaker
The breaker panel.
The breaker panel.
The biggest circuit breaker in any home is the main breaker located in your main breaker panel that is installed where your electrical service cable comes into your home.
If you have a light that is not being powered through a circuit breaker or fuse, you should call a qualified electrician to remove this circuit from the panel's bus and install a circuit breaker for it. Without an overcurrent protective device (circuit breaker or fuse) you have a potential fire hazard.
Typically yes because that is what makes sense. However, the subpanel could have the same size breaker as long as the panel were rated for that amperage and the wire sizes were appropriate.
A Murray or similar breaker would work but most inspectors want the brand breaker to match the brand panel.