Martindale CP301 110V Industrial Check Plug

The Martindale CP301, which uses LEDs to indicate potential problem combinations, is perfect for quick socket inspection at a factory or during on-site installations. It is equipped with a yellow 110V 16A CT plug that complies with BS4343/IEC309 and is intended for use on 110V center-tapped circuits. Comparable fail safe indicators are displayed by the Martindale CP301 and the traditional Martindale check plug C101.