you'd be cutting them all the same length and pushing an insulated cable just 2 or 3mm into the socket, so the risk of leaving a short on is almost non existent imo. use normal insulated tools, current is very small.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local