Cable Size Calculator Tool - DC Power Cables
DC Power Cable Sizing - Online Calculator
Our online cable or wire size calculator tool makes it easy to
establish the correct size of cables for any DC power system.
Please feel welcome to bookmark/digg/xmark this page now and have access to
the tool whenever you need it - share it with friends, colleagues,
anyone who has to deal with DC electrical cables.
Voltage drops through incorrectly sized cables are one of the most
common reasons for low voltage (12v, 24v or 48v) system faults. If
the cable is far too small, it can be very dangerous as the cable will heat
up and potentially cause a fire. Undersized cables also waste energy.
Conversely, too large a cable and you are
simply wasting your money on good copper.
How To Use The Cable Size Calculator
To use the calculator :
1 - Enter percentage cable loss acceptable [normally approx 2 or 3%].
2 - Enter system voltage.
3 - Enter max amps to be carried by the cable [amps = watts / voltage].
4 - Enter max length of cable run required.
5 - Click "Calculate" - results are shown in the closest standard metric & AWG cable sizes.
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