Can you lock a breaker on?
Circuit breakers shall be capable of being locked in the open position or, if they are installed in a drawout mechanism, that mechanism shall be capable of being locked in such a position that the mechanism cannot be moved into the connected position.
What does Square D mean on a breaker?
The Square D “QO” line of miniature circuit breakers is their best-known product line. These “Qwik-Open” or QO breakers are the fastest opening breakers in use in the industry. They reportedly open after just one full power cycle of a 60 Hz AC line (about 1/60th of a second).
Why is there a lock on my breaker?
Circuit breaker locks are installed to prevent the accidental or deliberate switching off of certain electrical circuits.
Should breaker panels be locked?
A: According to NFPA 99-2012, section 6.3. 2.2. 1.3 (A), circuit breaker panels to Category 1 and Category 2 rooms must be secured against unauthorized access. If you can justify that only authorized individuals with approved badge readers can access the panels, then you should not have to lock the individual panels.
Are Square D breakers any good?
The bottom line is that both Square D and Siemens are high quality brands that manufacture safe and reliable electrical panels for residential purposes. They both offer a range of panels that meet any household needs, so if you’re trying to decide between them, keep in mind that the differences are not functional.
Can you put a lock on an electrical panel?
You can add the lock at the same time (inquire with an electrician or the electrical supply house). If it’s part of some sort of shed / enclosure, then you’re free to fix it up and lock it (I’d use a lock keyed the same as the house key just for convenience).
Does OSHA require electrical rooms to be locked?
The entrances to all buildings, rooms or enclosures containing exposed live parts or exposed conductors operating at over 600 volts, nominal, shall be kept locked or shall be under the observation of a qualified person at all times.
Can electrical panels be locked OSHA?
1.3 (A), circuit breaker panels to Category 1 and Category 2 rooms must be secured against unauthorized access. If you can justify that only authorized individuals with approved badge readers can access the panels, then you should not have to lock the individual panels.