This book is intended to serve as an aid for men who are seeking to acquire the theoretical knowledge and operational skills required of candidates for advancement to the rates of Construction Electrician First Class and Chief Construction Electrician. Preparing for advancement in rating 1 Defensive tactics 10 Electrical sketching and planning 59 Protective devices and controllers 82 Testing equipment 115 Power generators 144 Power distribution system 172 Communication 193 Cold weather operations 231 Training 238 Foremanship 257 Maintenance programs 268 NBC warfare defense equipment 283