Mains terminal block, the connection between the fixed wiring and the appliance for some models of Parmco oven. These usually burn out due to poorly tightened connectors within the block, its important to have these fitted by a qualified electrician. Designed to be connected with circular flexible cable. 
PARMCO: HX-2-2NF-CER-T, FS600BG, FS600GG, FS600SG, FS900BG, FS900GG, FS900SG, OV145B7, OX7-4-6B-8-1, PPOV-6S-PYRO-2, OX7-6-6S-5-1, OX7-3-6S-5-1, OX7-2-6S-5-1, PPOV-6S-SIDE-1, OX7-3-6S-8-1, OX7-2-6S-8-1, OX7-6-6S-8-1, OX7-4-6W-5-1,
OX7-4-6W-8-1, VERSO3-1, VERSO3-2, VERSO3-1, VERSO1-2, OX7-4-6B-8, OX7-3-6S-5, OX7-2-6S-5, OX7-5-6S-5, OX7-2-6S-8, OX7-5-6S-8, OX7-3-6S-8, OX7-4-6W-8,
OX7-4-6W-5, FS600WG, OX-1-6S-8, OX7-4-6S-5, VERSO X5-F
EUROTECH: ED-BIO5FMTBK, ED-BIO5FMTSS, ED-BIO8FDTBK, ED-BIO8FDT-BK, ED-BIO8FDTSS, ED-BIO8FDT-SS, ED-CC302K, ED-CC302T, ED-EUROGE60