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How to use a utility and control-cabinet key

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Lock and valve that can be opened using a utility and service or control cabinet key. The main uses of utility and control-cabinet keys are to open locks or regulate valves. The methods of using them in these two ways are almost identical.

Opening and closing a lock on a control cabinet

Meter cupboard with lock on the front that can be opened using a utility and control or service cabinet key

Step 1 – Locate the lock

The lock is usually set into the front of the cabinet door or on the side of the cabinet. It is often set flush with the surface of the cabinet.

Different profile styles of locks that can be opened by utility and control or service cabinet keys

Step 2 – Choose a profile

Look at the lock’s profile and find the corresponding profile on your utility and control-cabinet key. It is sometimes possible to use a slightly larger or smaller key but be aware that this can damage the lock or tool over time.

How a socket profile of a utility and control or service cabinet key fits onto a pin head of a lock.

Step 3 – Fit the key into the lock

Slip the key over or onto the lock.

Turn the key in the lock anti-clockwise to open the lock and clockwise to close it with a utility and control or service cabinet key

Step 4 – Turn the key

Turn the key a quarter or half a turn anti-clockwise (depending on the lock) to undo the lock and open the door, or turn clockwise to lock the door.

Regulating a valve with a utility and control-cabinet key

Arrow - see above sections for more information on how to use a utility and control or service cabinet key Follow steps 1 to 3 in the section above and continue with the following:
Turning the utility and control or service cabinet key anti-clockwise to open the valve to increase the floe of liquid or gas Turn the key anti-clockwise to open the valve and increase the flow of liquid or gas through the valve…
Turning the utility and control or service cabinet key clockwise closes the valve and prevents the flow of liquid or gas through the valve. …or clockwise to reduce the flow through the valve or shut it. The more you turn the key the more open or closed you make the valve. You will not be able to turn the key any further when the valve is fully open or fully closed.