A shot from inside the cab of a 21320 WAM-4. Bangalore City, 2 April 05. By Rohit Mohan.

The rear panels in the cab of AJJ WAP-4 #22626. The folding panels are of glass now to allow easy views of the battery/electricals/switches. Basin Bridge AC Loco Trip Shed, 2005-07-24. Gautam.

Initial details stencilled on the rear panel of the cab of AJJ WAP-4 #22626. ICO stands for 'Inspection for Commissioning'. Basin Bridge AC Loco Trip Shed, 2005-07-24. Gautam.

The cab of AJJ WAP-4 #22626. Note that the notch number display on the mu-p unit is now smaller in size (I hated those huge earlier displays!). The other irritant is that both cab heaters are on the same (Driver's) side in the newer WAP-4s, none on the As

This is the interior of a Bhusawal WAM-4 #20607. To the left is the ARNO Convertor which converts single phase AC into three phase AC to operate the various auxiliary machines in the loco. In the middle are the various relays us

Interior of the cab of a WAM-4 hauling a passenger train on the Surat-Bhusawal route. August 2005. Khalid Kagzi.

Various timing, control, and interlocking relays behind the assistant driver's seat in a non-microprocessor-controlled WAP-4 loco. Bhusaval, August 2005, Khalid Kagzi.

New design cab of the WAP-4 Loco (this unit is from Santragachhi). Bhusaval, August 2005, Khalid Kagzi.

Old design cab of the WAP-4 loco. Bhusaval, August 2005, Khalid Kagzi.

Manual Operating handle for the Tap-Changer in a WAP-4 loco. In case of the failure of the electrical or the pneumatic control system of the Tap-Changer, this handle can be used to operate the Tap-Changer. Bhusaval, August 2005, Khalid Kagzi.

This is the Arno Starting Contactor C-118 of the WAP-4 loco, which also contains a timing device / frequency detector which ensures that the Arno starts in its proper sequence. Bhusaval, August 2005, Khalid Kagzi.

Panel mounted Air Equipment in WAP-4 loco. The mounting of the various air control valves in the loco in such frames reduces space requirments as also allied piping and also makes maintenance and trouble-shooting easier and results in weight reduction. Bh

This is another pneumatic panel which is mostly fitted with the brake-related equipment of the WAP-4 loco. Bhusaval, August 2005, Khalid Kagzi.

Various combination and shunt contactors in the HT compartment of the WAP-4 loco. Bhusaval, August 2005, Khalid Kagzi.

The driver's control panel on the WAG-9 #31082. CLW, Chittaranjan, WB, 2005-11-24