The 12 AWG, black, 50' Century Wire and Cable Pro Glo SJTW Extension Cord with CGM is made of soft-drawn, bunch-stranded 100% copper conductors for added flexibility and is molded with large strain reliefs at both ends for enhanced durability. This 50' extension cord is manufactured with cold-weather insulating and jacketing compounds.

The extension cord provides continuous current and ground monitoring, also known as CGM. The male plug has a built-in amber-neon light, which indicates that there is power in the cord and outlet, while the female connector has a built-in green-neon light, which indicates ground continuity.

3-Pin Male to Female    Continuous Current and Ground Monitoring

100% copper conductors

Cold-weather insulating and jacketing compounds

Supports up to 300 VAC

Up to 15A current draw

Suitable for indoors and outdoors

Water-resistant thermoplastic jacket

Related Questions and Answers

Q: 1. I use a 70-200 2.8 with a 2X iii to get close ups, would the 25ii be better or worse?

A: If you are doing macro shots, it could be very useful. I believe that you could combine it with the 2x for even closer shots, but am not sure... I have the 1.4x.

Q: 2. Will this connect to a mamiya rz67 and pentax 645 camera?

A: Yes , to the pc connection

Q: 3. With this work with a RB67, to fire a wireless flash transmitter, specifically a cheap unit like the Yongnuo YN-560-TX?

A: On-camera flash made by Canon, Nikon, Panasonic, Fujifilm, Samsung or Olympus with a radio receiver. It is not designed to work with a Mamiya RB-67.

Q: 4. Does this extension tube work with the Sigma 50-100 canon fit?

A: I do not have that Sigma lens so I am not able to confirm that the Canon Extension tube will work.

Q: 5. Can this product be used with the Canon 60mm f/2,8 Macro lens?

A: Yes you can ,it is fully compatible with Canon Digital EF-S lenses , assuming you have APS-C camera

Q: 6. If I use this with the canon 100mm 2.8L lens, how much more will improve the .99’ focus distance? I ask because I read somewhere that this doesn’t allow you to focus closer but instead improves magnification.

A: An extension tube allows you to focus closer than the stated lenses minimum focus distance as well as increases the macro magnification of the subject by the size of the extension tube divided by the lens focal length.

Q: 7. extender ef1.4 and ef2x connect f24-105 4 is usm to 5d markiii will it work?

A: yes, it works.

Q: 8. I have a Canon 7D, and Canon Macro Lens EF 100mm 1:28 USM. From what I have been reading the Extension Tube EF 12 II will work with my setup, correct? Auto focus will work correct? Will I gain or lose depth of field using this tube on my setup?

A: Yes it will fit your 7D. Autofocus will work. Depth of field will be reduced somewhat.

Q: 9. Is the PC Male Pin compatible to the Olympus OMD M5ii? If not, which cable will fit?

A: You will need # VEHSAPVU to make it work

Q: 10. Will this work with a Godox XProS trigger for sony?

A: While it is possible that this adapter is going to work with the XPro S trigger, it has not been tested to our knowledge.