Most electricians use 3093y heat resistant rather that the butyl. The operating temperature capability for both are quiet different but in most cases 3093y is used.
Unsure without looking up but i think 3093y is rated at 105 degrees
3093TQ is higher.
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