LOCKABLE FUSE BOX

Domestic Consumer Units | Fuse Boards | Screwfix
Domestic consumer units receive the main electrical supply and distribute it to individual circuits throughout the home to provide electricity. Fuse boxes for homes play a crucial role in helping to prevent electric shocks and electrical fires.
Fuse Lockouts - Electrical Lockout - Lockout Tagout
Fuse Lockouts are an essential part of the electrical lockout strategy of any business which works with electrical energy. Alongside fuse lockout, Reece Safety also offer plug lockout and push button lockouts among other Lockout Tagout equipment.
Domestic fuse board with lockable cover
I've got to change a fuse board in a 3 bed semi, but the customer has asked if there is one with a lockable front cover, due to the fact that his 2 young boys keep switching the power off. There is no practical way of moving the fuse board out of reach without a lot of work either. Cheers Tom
Why shouldn't my fuse box be kept locked? | Yahoo Answers
If a fuse goes out, and you don't have any lights, it will be hard to find a key to open it. Also, if there is a fire, and the fire department needs to turn off the power, they may not be able to open the box if you have the key somewhere else.