Murray LC4040B1200 Indoor Main Breaker Load Center, 200A, 40 Spaces, 40 Circuits40 spaces, 40 circuits. Feature a new split neutral with one bonded and one insulated bar. Indoor application. For service entrance applications, install bonding strap, and use both bars for neutral and ground conductors. For non service entrance applications, do not install bonding strap and use insulated bars for neutral conductors and bonded bar for ground conductors. 200A 40 spaces, 40 circuits Indoor application Feature a new split neutral with