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Topic Title: Current Carrying Capacity for 90deg XLPE ref method 100
Topic Summary:
Created On: 02 October 2017 04:39 PM
Status: Read Only
Linear : Threading : Single : Branch
 Current Carrying Capacity for 90deg XLPE ref method 100   - synapse - 02 October 2017 04:39 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - AJJewsbury - 02 October 2017 05:07 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - weirdbeard - 02 October 2017 05:57 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - mapj1 - 02 October 2017 07:27 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - synapse - 05 October 2017 10:30 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - ArduinoXR - 06 October 2017 01:22 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - leckie - 06 October 2017 05:23 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - OlympusMons - 06 October 2017 07:37 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - Alcomax - 06 October 2017 08:45 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - leckie - 06 October 2017 09:07 PM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - AJJewsbury - 07 October 2017 08:21 AM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - OlympusMons - 07 October 2017 10:52 AM  
 Current Carrying Capacity for 90deg XLPE ref method 100   - AJJewsbury - 08 October 2017 09:49 AM  
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 02 October 2017 05:07 PM
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AJJewsbury

Posts: 15852
Joined: 13 August 2003

Nope, you're right there isn't one. I guess the powers that be think there's little call for using T&E (if the white sheathed XLPE insulated variant) at a conductor temperature above 70-degrees (given that most if not all domestic accessories have a terminal temperature limit of 70 and a general desire to keep sheath temperatures below 60 for burn reasons).

The official answer is probably to use the 90 degree tables and the (limited) information in reg 523.9 - although to sanity check you could maybe look at the re-scaling between 4D5 and 4D2A and apply that to 4E2A.

- Andy.
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